AppliedMathematics

Feb

2022

Elena Tartaglia

Born in Melbourne, Australia • Studied Applied Mathematics at the University of Melbourne in Australia • Highest Degree Doctor of Philosophy in Mathematical Physics • Lives in Melbourne, Australia • Occupation Research Scientist

I discovered my love of maths in high school when we started learning algebra. I had never been particularly adept at arithmetic or memorising times tables, but algebra was fun. It was about learning logical rules and applying them, step by step, to solve a problem that seemed impossible from the outset. My maths career so far has taken me from applied maths to mathematical physics to statistics and data science. Though the technical areas have been different, the pattern of understanding fundamental rules to break down big problems has remained.

I followed my heart all the way to a PhD in mathematical physics where I discovered the beauty of diagrammatic algebras: equations made out of squiggly diagrams.

My decision to pursue a career in maths came during my second year of university. I had been studying engineering, which I believed to be a more stable career choice, but after a year and a half I couldn’t get excited about any of the engineering specialisations. My Mum encouraged me to follow my heart and study mathematics: study what you love and you’ll figure out the work later, she advised. I followed my heart all the way to a PhD in mathematical physics where I discovered the beauty of diagrammatic algebras: equations made out of squiggly diagrams.

After a two-year postdoc in Italy, I decided to make the switch from academia to follow a career in data science. I had avoided any statistics and probability in my university studies, because they were not topics I enjoyed in high school, but I soon learned how interesting randomness is and how useful it is for understanding the world. I was lucky enough to land a dream job at Data61, the data analytics unit of CSIRO, Australia’s national science agency. Since then I have been working on industry projects, solving applied problems in the areas of manufacturing, wildfires and public policy with statistics and machine learning. I love that even after this career change, I can still use my mathematical thinking to break problems down into their essential ingredients and solve them step by step.

Reflecting on my path from education to employment, I have learnt that careers don’t have to follow a clear and straight path.

Reflecting on my path from education to employment, I have learnt that careers don’t have to follow a clear and straight path. I have learnt that following your dreams can be a good option, but it isn’t the only one, and that trying out adjacent areas of work that are in-demand can lead to a fulfilling occupation. I have also learnt that an important output of your studies is the ability to teach yourself new skills, because flexibility is a valuable skill in the workforce – plus learning new skills keeps your work interesting.

Sep

2021

Sofía López Ordóñez

Born in Quito, Ecuador • Studied Mathematical Engineering at Escuela Politécnica Nacional in Quito, Ecuador • Highest Degree M.Sc. in Mathematical Optimization • Lives in Quito, Ecuador • Occupation Teaching assistant and Ph.D. student

My math story started with questions, as many other math stories, I suppose. In the early years of high school, math exercises were fun and challenging. I enjoyed solving them, but I never thought I would study math as a career years later. By that time, I wanted to become an engineer, like my dad, and hopefully work at a hydroelectric power plant. But somehow, math was like gravity, and I felt more and more drawn to it. Hence, I decided to study math at Escuela Politécnica Nacional in Ecuador at the end of high school. Looking back on it, I think I was lucky. Pursuing a career in math was not common in Ecuador. I had the support of my parents and I also was encouraged by my math teacher. However, I had no idea of what math was really about.

I enjoyed the vitality of the formal math language, which brings the possibility to precisely describe a deduction process and articulate a definition from an intuitive notion.

I found the early stages of my undergraduate studies challenging and, sometimes, difficult. However, I was amazed and triggered. I enjoyed the vitality of the formal math language, which brings the possibility to precisely describe a deduction process and articulate a definition from an intuitive notion. The beauty of the simplicity and richness of math made me stay. Nevertheless, the inflection point in my math story happened when I started to work as a research assistant in a project at the Research Center for Mathematical Modeling in Ecuador, ModeMat. In this project, I worked on the numerical solution of visco-plastic fluids. These fluids have a dual behavior; they move like a solid or like liquid depending on the stress imposed on them. I found the mathematical formulation of these fluids fantastic. In this process, I learned the fundamental laws underlying fluid dynamics, optimization methods and I improved my coding skills. This was the starting point of a journey that led me through a Master’s program in Mathematical Optimization and then, like the flow of a Newtonian fluid, to the Ph.D. program in Applied Mathematics. Being part of the Research Center, ModeMat, has shaped part of my life. I have grown up there from an undergrad student to a Ph.D. student under the supervision of four great advisers: Pedro, Sergio, Juan Carlos, and Luis Miguel. Their guidance during the Ph.D. has been essential and valuable.

I am confident things are changing. At the moment, in my Ph.D. program, we are more women than men.

Nonetheless, I have realized that every time I was part of an international conference, unconsciously I ended up choosing a woman from the Academy as a role model. This unaware action, years later, made me realize how important visibility is. There were few academic women at the math department while I was an undergrad student; therefore, I had the chance to only have one math woman professor. I am confident things are changing. At the moment, in my Ph.D. program, we are more women than men.

I am in the last year of the Ph.D. This journey has not been like the stream of a calm river. Like a visco-plastic fluid, sometimes I have moved like a solid, slowly and without any change in my progress and, sometimes, one just flows like a liquid in a stream of exquisite results. The chance to write about my story came in an opaque moment of uncertainty and lack of confidence. It took me a while to sit and write it down. However, I have genuinely enjoyed it. This retrospective exercise helped me to reconcile and reconnect. Right now, I am focused on this last year of the Ph.D. and interested in a Postdoc. My thesis is still related to visco-plastic fluids. Therefore, in some sense, I think I kind of accomplished my teenage dream. I am not working at a power plant driven by water but I have a better understanding of the fluid dynamics laws to comprehend the power of water. Finally, I would like to take the final words of Natasha Karp’s math story (which I enjoyed a lot reading) as advice: “Enjoy your journey but don’t expect to know exactly where you are going and keep growing and challenging yourself’’. I think that’s what I will do.

Jun

2021

Clara Stegehuis

Born in Amersfoort, The Netherlands • Birth year 1991 • Studied Applied Mathematics at Twente University in Enschede, The Netherlands • Highest Degree PhD in Mathematics • Lives in Enschede, The Netherlands • Occupation Assistant Professor

I always liked solving puzzles when I was younger. My dad even made me eat my bread in puzzle-fashion: he cut it into 4×3 squares, and I had to eat them with chess knight’s jumps, and make sure I did not get ‘stuck’ while eating my entire slice of bread. In high school, however, I liked many subjects, so the choice for mathematics was not obvious at all. I thought about studying biology, physics or maybe something more related to medical sciences. But in the end, I chose mathematics, as I thought this would leave my options open later on.

(…) I am now investigating the mathematics behind spreading processes on networks. These have very important applications in the spreading of epidemics, but are also applicable to viral messages on social media.

Even though my choice for mathematics was rather random, it turned out to suit me very well. I really enjoyed solving exercises, and I also appreciated the fact that the same piece of mathematics can often be applied in so many different contexts. For example, I am now investigating the mathematics behind spreading processes on networks. These have very important applications in the spreading of epidemics, but are also applicable to viral messages on social media.

Because I liked my studies so much, I decided to stay at the university. I first did 4 years of PhD research. During my PhD research, I found doing research a bit lonely, which made me doubt whether I would like to continue on this path. So after those four years, I still did not really know whether I would keep on working at a university, or whether I would go and work for a company instead. But when I got offered a job at Twente University as a researcher, I decided to take it, and see whether I would like it. And I am happy to say that now that I do not have to do my own PhD research, I can make my work more collaborative, which I enjoy very much.

I really enjoy sharing my passion for mathematics with others who maybe never got to see mathematics as useful or beautiful

What I like about my job is that it is very versatile. I can do research, which is basically like solving my own puzzles. On other days I teach more, and have interaction with students, which is also very motivating. Besides that, I participate in a lot of outreach activities. That means that I go to high schools and primary schools to talk about mathematics, but also to theaters, science festivals and podcasts. I really enjoy sharing my passion for mathematics with others who maybe never got to see mathematics as useful or beautiful. In high school I never knew that there was so much more to mathematics than quadratic equations, so I like to share that with as many people as possible!

For example, I wrote blogs about how mathematics helps to predict who will win the soccer world championship, but also about using mathematical graph theory to find the most influential musician. I think that depending on your specific interests and hobbies, there is always an application of mathematics that will appeal to you! So in my outreach activities, I always try to think about what the specific audience could find interesting, and then I will show them an application of mathematics that involves this. The great thing about mathematics is that it is so broad that it is always possible to do so. Of course, this involves a lot of work from my side, but I keep on learning from this as well, and it is very rewarding.

May

2021

Gabriela Capo Rangel

Born in Pitesti, Romania • Studied Applied Mathematics at Politehnic University of Bucharest • Erasmus MUNDUS fellow in Mathematical Modeling from University of L’Aquila, University of Nice and University of Hamburg • PhD in Applied Mathematics in the Basque Center for Applied Mathematics, Bilbao, Spain • Lives in Okinawa, Japan • Works as a Postdoctoral Scholar in Computational Neuroscience at Okinawa Institute of Science and Technology (OIST)

My love for math started very early on. Since I was very young, I seemed to always have an analytical mindset and I adored solving puzzles. I was always the geeky kid, that was always curious about everything and I have always been a very solution-oriented person. My parents tell me I was determined to be a researcher from the age of 5, although I am not certain I actually understood what that meant. I used to love all analytical subjects, not only math, but also chemistry and physics. In fact, choosing my career path came extremely close between mathematics and chemistry. Somehow, I always missed chemistry, this is the reason why I went towards neuroscience and every now and then I get the chance to model some biochemistry.

I grew up in a freshly post-communist Romania, where the old generation generally believed that girls should study law or biology just due to the common misconception that girls can memorize better than boys.

Being a woman and choosing to study mathematics, I had to always fight for what I wanted. I grew up in a freshly post-communist Romania, where the old generation generally believed that girls should study law or biology just due to the common misconception that girls can memorize better than boys. Well, my memory has never been very good. I was lucky, because I had an amazing family that supported me in making my own choices and encouraged me to follow my own path.

[My high school professor] was the first person who showed me how to think outside the box, he sparked my curiosity for higher-level math and he treated me as equal to the other boys when preparing for competitions.

My first role model was a young professor in high school. He was my math professor only for the first year of high school and he directed me towards mathematics contests and math olympiads. He was the first person who showed me how to think outside the box, he sparked my curiosity for higher-level math and he treated me as equal to the other boys when preparing for competitions. In most of the contests that I have been, I was even the only girl or between the very few ones. The same trend continued at the university, where I went on and studied Applied Mathematics in Engineering. I studied in an engineering university, with under 10-20% of the total number of students being women.

After I graduated from university, I got an Erasmus MUNDUS fellowship for a Master of two years in Applied Mathematics, a highly competitive master program between three different countries: Italy, France and Germany. I got to experience the educational systems of the three different places, I had the chance to live in all these different places and learn the languages. Even in this international setting, I was still living in a world of men, having very few female colleagues and absolutely no female math professors in any of the three countries.

After graduating with the Master, I was awarded a Severo Ochoa Fellowship at the Basque Center for Applied Mathematics to pursue my PhD in Applied Mathematics in Biosciences. Particularly, I was modeling the interaction between the electrophysiology, the metabolism and the hemodynamics in the human brain. This captivating research gave me the chance to study not only the mechanisms behind the normal functioning of the human brain during resting state or neuronal activation, but also during various pathologies such as brain ischemia and cortical spreading depression. We focused on understanding the strong interconnection between how the electrical signals are transmitted in the brain, the interaction between multiple biochemical species constituting the brain metabolism and the blood flow.

[During my PhD] I met my biggest role model, my PhD advisor, Prof. Daniela Calvetti. She is all I ever dreamed of becoming: extremely intelligent, successful, determined, strong, loving and caring and the best mentor I have ever encountered.

It was then when I met my biggest role model, my PhD advisor, Prof. Daniela Calvetti. She is all I ever dreamed of becoming: extremely intelligent, successful, determined, strong, loving and caring and the best mentor I have ever encountered. She inspired me to gain not only knowledge and passion in my research field, but she inspired me to fight and pursue my dreams, no matter how much work that involves. There are no words to describe the depth of my gratitude, respect and love for her. I can only hope that one day I will inspire somebody, the way she inspired me.

After my PhD, I did a brief postdoc in Bilbao, after which I came to Japan to work as a postdoc at OIST. Here, I belong to the Computational Neuroscience group and my research concerns the cerebellum, the part of the brain that controls fine movement. I study the Purkinje neuron dendritic trees and I seek to understand how their morphology affects the spiking properties of these neuronal cells.

I just hope one day I will have the chance to teach and to provide my students not only with the scientific knowledge, but also with the courage and confidence to follow their own dreams.

The academic path is extremely hard to follow. I always feel like I am lacking stability. So far every few years, I have been changing between jobs, countries, friends and languages. Many times I dream about family life, stability and job security. I wanted to give up academia countless times, but I was lucky and I met people who inspired me to go on. I just hope one day I will have the chance to teach and to provide my students not only with the scientific knowledge, but also with the courage and confidence to follow their own dreams.

Apr

2021

Jamie Prezioso

Born in Warren, Ohio, United State • Birth year 1989 • Studied Applied Mathematics at Case Western Reserve University, Cleveland, Ohio, United States • Lives in Washington, D.C. United States • currently a Research Scientist

Growing up, I genuinely enjoyed math from an early age. I have fond memories of solving equations and homemade arithmetic flash cards with my grandfather. He consistently and lovingly encouraged me to pursue math. And so, I did.

I had an inclination that studying mathematics would open an array of opportunities, however, I had no tangible examples of this. Nevertheless, I was drawn to pursue math.

I happily studied and excelled in mathematics throughout middle and high school. When choosing a major in college, I did not even consider math. Having never seen or learned about modern-day mathematicians in school or media, I was unaware of this entire profession. Since I was also interested in medicine, I considered studying biology. I knew of clear academic and career paths in the medical field. Ultimately, my first year in college I was undecided. I had an inclination that studying mathematics would open an array of opportunities, however, I had no tangible examples of this. Nevertheless, I was drawn to pursue math. And so, I did.

I began to discover the ways you could use mathematics to solve problems I found interesting and important, like quantifying the effects of climate change or modeling predator-prey dynamics in fragile ecosystems. I graduated from Walsh University with a Bachelor’s of Science in Mathematics. When applying for graduate programs, I had every intention of obtaining a Master’s degree in a few years and leaving the program for industry. The thought of being in school for nearly all of my twenties seemed unbearable, if not impossible. I did not want to wait for my professional career, and in some sense my “adult” personal life, to begin. Still, I was excited to pursue math. And so, I did.

Through coursework and research, I found I was truly passionate about math. I developed strong quantitative modeling and coding skills. I even got to study areas of biology and medicine.

In the Fall of 2012, I began graduate school at Case Western Reserve University. I studied applied mathematics, taught Calculus to bright undergraduates and conducted research in mathematics and computational neuroscience. It was in graduate school where I grew both personally and professionally. I had many wonderful experiences with brilliant mathematicians from all over the world, many of whom I am still close with today. Through coursework and research, I found I was truly passionate about math. I developed strong quantitative modeling and coding skills. I even got to study areas of biology and medicine. I gained confidence in myself and a deeper understanding of mathematics. And so, I obtained a PhD in Applied Mathematics.

I use my background in mathematics to research machine learning (ML) and artificial intelligence (AI) models […]

Now, I am an Applied Mathematician. I am a Research Scientist at a consulting firm in the Washington, D.C. area. I use my background in mathematics to research machine learning (ML) and artificial intelligence (AI) models, focusing on interpretability and explainability. While AI/ML models have proven extremely useful on a variety of tasks, their inherent black-box nature and lack of interpretability limits their use in critical applications, like medicine or autonomous driving. Specifically, I research and develop neural networks, mathematical models which are typically highly over-parameterized but have exhibited superior performance on high dimensional data (e.g. images), trying to better understand how these models make predictions, assess their confidence and incorporate prior expert knowledge.

I feel very fortunate to have a career which aligns with my field of study and allows me to work on problems I am passionate and excited about. I hope that my story, and the stories of the other women here, highlight the vast number of exciting opportunities and careers in mathematics, the careers that I was unaware of for so long.

Mar

2021

Patricia Egger

Born in Zurich, Switzerland • Birth year 1990• Studied Mathematics at EPFL in Lausanne, Switzerland • Highest degree Master’s in Applied Mathematics • Lives in Lausanne, Switzerland • Occupation Information Security Officer

I would love to say that my decision to study math was well thought out, but the truth is it really wasn’t.

At the end of high school, I knew I wanted to study a scientific subject at university and set my sight on chemistry. I think I was attracted to the experiments with cool colors, incredibly fast temperature changes and the idea of learning how to create little explosions. However, about 2 months before the first day of university, I changed my mind and signed up to the math department instead. I’m still not sure I know why I changed my mind; I had done well in high school but had no long-term plan or idea of what kind of math I wanted to do or even what type of job I might be interested in. In any case, it seemed like a good idea at the time.

My first year in math was a wake-up call; high school did not prepare me for mathematical reasoning. But I kept studying hard and after the first year and many hours spent in the library, it clicked. I felt like there was no class I couldn’t ace (with enough effort, of course). From there on, it was relatively smooth sailing until I graduated with my Master’s degree a few years later.

I looked for inspiration in the news; who doesn’t want to be working on a topic that gets regular media coverage?

It was at that point that my lack of long-term thinking caught up with me. In fact, as much as I enjoyed studying math, I couldn’t seem to find a math-related job that tickled my fancy. Instead of taking a job that I didn’t want, I decided to look for an entirely different field and career path where my math skills could be used indirectly. I looked for inspiration in the news; who doesn’t want to be working on a topic that gets regular media coverage? Similarly to today, cybersecurity, particularly cyber incidents, came up often. That’s when I remembered a basic cryptography class I had taken in middle school and that I thoroughly enjoyed. Because cryptography is essentially math, it seemed like it would be my opportunity to shift into cybersecurity. So I went back to university for a semester to take all the security-related courses I could.

Fast forward a few years and I now work as an information security officer. In my current role, my main goal is to manage cybersecurity risks: understand what might go wrong and how, and ensure we are allocating appropriate resources accordingly. As these risks are present throughout any organization, I interact with many different people on a regular basis, be they developers, lawyers or Top Management.

In fact, I have been very fortunate to meet amazing women and men along the way from who I’ve learned a lot, but I most definitely would not be where I am now if I had tried to base my career on theirs.

Although I don’t use much of my math background in my daily work today, it allowed me to get to where I am today and I don’t regret any of it. On the contrary, I believe my studies gave me some great transferable skills and the confidence to navigate all of the changes and decisions I made along the way.

Although many people influenced and supported me throughout this process, I’m glad I never took anyone’s opinion more seriously than I did my own. In fact, I have been very fortunate to meet amazing women and men along the way from whom I’ve learned a lot, but I most definitely would not be where I am now if I had tried to base my career on theirs.

Feb

2021

Tamara Dancheva

Born in Skopje, North Macedonia • Birth year 1993 • Studied Computer Science in Skopje and Sweden • Master in Computational Engineering from the University of Strasbourg • currently a PhD candidate at the Basque Center for Applied Mathematics in Bilbao, Spain

My path to becoming a researcher in applied mathematics has been anything but calculated. My first childhood dream – that I actively started pursuing – was to become a librarian. I was and still am a massive bookworm. At the beginning of primary school, I became part of the library section. I spent nearly all of my school breaks and free time before and after school at the library bookkeeping, sorting books, and taking part in the organization of literary events. By the end of primary school, I started taking part in library competitions and even ranked at the top. Since most likely you wonder what a library competition is, it is about the history of writing, books, libraries, and classification systems to organize library resources. At the same time, I was studious, and I did well in school. I liked maths, but I was much more passionate about literature.

By the time I had to decide on a secondary school, I was old enough to realize that being a librarian or any profession related to it, unfortunately, would not offer me too many prospects in my country. My parents insisted I should go in a general direction first. So I went to a gymnasium. During my secondary school years, my parents got me and my brother our first computer. It became my second passion. Like many other kids at that time, we got obsessed with it, mostly playing video-games, and painstakingly surfing the Internet at a speed of a few kbit per second. For my part, eventually, I became obsessed with how it works. I became determined to learn how to build a computer. And how to develop video games.

That is how I decided to study computer science and engineering. The local university had just opened an independent faculty for computer science, and I became part of its first generation of students. I got to know everything I wanted to know and tried my hand at many different things like computer architecture, algorithms, desktop applications development, system administration, and web development. However, my first two years of university completely changed my relationship with maths for the worse. I had a couple of extremely demanding maths professors that required us to learn whole books of theory by heart. It almost completely stifled my motivation for learning maths.

I took a course on scientific computing with concrete applications in biomedicine that completely turned my life around. That is when I discovered a whole new universe.

In the final semester of my bachelor’s, I was still considering continuing my education with video games development or working as a web developer. Then I took a course on Scientific computing with concrete applications in biomedicine that completely turned my life around. That is when I discovered a whole new universe. Inspired by the classes, I started taking all the courses I could find on Coursera about scientific computing on various topics to see what is out there. I went back to exploring partial differential equations, mathematical modeling, and physics, with different eyes, in much more detail. This time, I saw an infinity of possibilities in the intersection of scientific programming and natural sciences.

I found myself a student again, earning a living by freelancing mostly as a web developer to support my studies.

That is how, to my utmost surprise, after an intense period of finishing my Bachelor’s, simultaneously working as a developer, and applying for master’s degrees, I found myself in Strasbourg. I started studying Computational Mechanics, diving into mathematics and physics with applications in many other fields, such as the mechanics of solids, fluids, hydrology, and geomechanics (the distribution and movement of groundwater in the soil). I was reluctant at the time to make this step because it was a radical change for me, and I had made a split-second decision to leave my job at the time. I found myself a student again, earning a living by freelancing mostly as a web developer to support my studies. It was a risky step that I have come to regret during certain difficult times on the way.

Each time I did, I found something that fascinated me and won me back to research. I stuck to it and even continued with a Ph.D. in solid mechanics and high-performance computing. Today there are times when I still doubt my choice. Doing a Ph.D. is an arduous journey (or a labyrinth) that can be very exhausting and equally rewarding, the latter driving me forward.

I realized that the world is an open book, today more than ever, for those that dare to read it. While in the past, it used to be a library, with different books strewn across the globe, not easily accessible to others, today it has merged all into one book. Many times we are the ones that constrain ourselves, not the world around us, as we can make ourselves believe. With time, I have learned to accept uncertainty and volatility as a good thing. I like to think that I have infinite choices. Next year, I could take a project in environmental studies or computational astronomy. I could just as well open a book shop in New Zealand. Chase your passion and dare to go on an adventure!

Jan

2021

Julia Kroos

Born in Münster, Germany • Birth year 1988 • Studied Mathematics in Münster, Germany • Highest degree PhD in Mathematics and Statistics from the University of the Basque Country in Bilbao, Spain • Lives in Cologne, Germany • Current Occupation: Applied Mathematician at Bayer

It started all in 4^th grade. After being really bad at mental arithmetic, I started to enjoy mathematics for the very first time when concepts became a bit more complex. When I was 9 years old I decided not only to study but also do a PhD in mathematics. So after finishing the A-level, this was exactly what I did. Of course it was hard and different from the maths they teach in high school but I got to appreciate the pure and perfect way of mathematical proofs. However, it was not before the end of my Bachelor that I learned about the diverse applications of mathematics in Biology and Medicine. I never grew very fond of the theoretical part but just saw it as a tool you need to understand and master in order to apply the theory to real world problems. Even though I always had the dream of doing a PhD in mathematics, doubting my skills and abilities made me question this dream. What finally convinced me to continue research and start a PhD in maths was a very honest talk by a female professor at a meeting of women in maths. By coincidence I found the PhD position in Bilbao (Spain) in computational neuroscience and directly knew that this was my topic.

The most exciting part of research for me was and is solving a problem. It is like a scavenger hunt: you follow traces, read instructions and do trials, which surprisingly involves a lot of creativity.

With the focus on personalised models for a phenomenon related to migraine, I got the opportunity to learn a lot of different strategies from numerical methods to solve differential equations, to curvature approximations and data processing. I worked with neurologists, physicians and medical doctors and learned a lot about interdisciplinary communication. The most exciting part of research for me was and is solving a problem. It is like a scavenger hunt: you follow traces, read instructions and do trials, which surprisingly involves a lot of creativity. Of course it is not all fun, running the simulation for the umpteenth time and writing papers is never going to be my favourite part.

Right when I started to write my PhD thesis, I fell sick and was all of a sudden experiencing personalised medicine from the patient’s point of view. It totally swept me off my feet because I had to pause my PhD for a while and could not stick to the schedule that I had planned. During this time I got a lot of insights in the diversity of medical treatments and was surprised by the differentiated treatment strategies. However, I also saw the potential for data-based fine tuning in the treatment strategies. After this forced break I focused even more than ever on the things that I really wanted: finish the PhD, see the world and find a job in mathematics with an impact.

The first of these points I tackled as quickly as possible. Even though I enjoyed research I could feel a weight lifting from my shoulders when I finally defended my thesis. The second point, traveling for a year after the PhD had always been a fixed idea in my head but talking to friends and family brought up a lot of doubts: would this look bad in my CV? Would this have a negative impact on my career? Would traveling alone be dangerous? However, after very encouraging conversations with professors and friends who had already travelled alone for a longer time, I just took the leap. I bought the plane tickets and went backpacking from Peru to Patagonia in the very south of Chile and through New Zealand by myself. In the beginning before leaving it was scary but in the end it was one of the best decisions in my life, and I learned so much about different cultures, traditions, people and communication that no book or course could have ever taught me.

After hiking the Patagonian highlands, starting as an applied mathematician in a pharmaceutical company is now my next big adventure.

The question if I want to continue research after obtaining my PhD already haunted me during my PhD studies, but when I got back from my big trip I finally knew the answer. I wanted to use my maths skills to help people in the medical sector. Consequently, I solely searched for maths jobs in pharmaceutics where I have just started as an applied mathematician. Changing from the university to a company opens up a totally new universe which I am still exploring but I am very curious and excited to better understand. So after hiking the Patagonian highlands this is now my next big adventure.

During my studies and my big trip I was very lucky to meet encouraging role models, supportive fellow students and inspiring like-minded people that helped me find my way – thank you all.

Jan

2021

Tamara Grossmann

Born in Germany • Studied in Münster, Germany • Highest Degree M.Sc. • Lives in Cambridge, UK • Occupation PhD Student

To be honest, I don’t really know where my fascination with maths has come from. None of my family members are doing anything related. But I remember an instance in first grade where we had a small test on multiplication tables and I got quite competitive to be the first one to finish. I think at that point I decided that I wanted to be good at maths. This didn’t really carry through all my school years, but maths kept being a subject I enjoyed. I became more interested again in secondary school when one of my teachers involved me in a maths club. Another student and I started working on a small project together which we presented at a youth research competition. This was probably the first time I really sat down and used the maths I’d learned so far to solve a specific problem. We ended up winning the local round. Ultimately, I think the support and affirmation from my teachers during my school years gave me the confidence to believe I was good enough to go on and study maths.

It fascinated me that there were highly applied fields of this very theoretical subject I was studying, and I started hoping I’d later find a job like that.

After high school I went off to university excited and full of energy, just to realise in the first two semesters that studying maths was a lot harder than I anticipated. I barely passed my exams even though I had studied a lot. It was a big adjustment to the different way of thinking, and I needed to figure out what to focus on in order to pass my classes. However, in my mind there was no option to quit. I guess my competitive side from first grade came out and I saw it as a challenge to finish my Bachelor’s. Things got better eventually, especially when we started electing more specialised courses. Throughout, there were always little things that got me excited again about doing maths. Our department organised events every semester where alumni came to present the work they do now and the companies they work for. I remember someone talking about his work in imaging and the connection of mathematics and image processing. It fascinated me that there were highly applied fields of this very theoretical subject I was studying, and I started hoping I’d later find a job like that.

“Don’t compare yourself too much. Focus on the work you’re doing and dare to go for the things that fascinate and excite you even if you don’t believe you’re capable of achieving them, yet.”

During my Master’s, it became less about just getting through the degree and more about finding interesting courses and projects. The classes were smaller, and we had more contact to the lecturers. After one of my oral exams, I was asked about my plans and what I wanted to do next. I was startled, because I didn’t quite understand why a lecturer would be interested in this. I told him that I wanted to do an internship somewhere in industry before finishing my degree. I still didn’t have a clear idea of what I wanted to do after my studies, so this seemed like a good start. He offered his support in finding an internship position. Half a year later I summoned up all my courage to chase him up on his offer and asked if he’d know a company that would take interns to work in medical imaging. I think this got the ball rolling to get to where I am now. Through his and another professor’s support I started an internship at the university and with the supervisor I am doing my PhD with now. It is still astonishing to me that it took so little as a question, to start figuring out where I wanted to go next. The research group I did my internship at was very welcoming and many shared their stories and decision-making processes with me. This probably influenced me the most. From the outside you often just see these really smart people producing amazing work. But for me it was more encouraging to see their struggles and understand that in order to do a PhD you weren’t expected to know everything already or to be a genius. I think this would also be something I’d tell my 19-year-old self before going to uni. “Don’t compare yourself too much. Focus on the work you’re doing and dare to go for the things that fascinate and excite you even if you don’t believe you’re capable of achieving them, yet.” I guess it’s something I’m still learning to this day. But I have found a group of amazing women that remind me we’re all doing the best we can, and a great research cohort that is encouraging with all the small achievements.

Jan

2021

Joana Sarah Grah

Born in Germany • Birth year 1987 • Studied Mathematics in Münster, Germany • Highest Degree PhD in Applied Mathematics from the University of Cambridge, UK • Lives in Düsseldorf, Germany • Occupation Scientific Associate

My decision to study mathematics was anything but straightforward. I always enjoyed maths classes throughout my primary and secondary school years. I also have to add that I personally believe this experience was significantly influenced by the fact that I had great maths teachers. Luckily, against a sadly very common (mis)perception of society I never felt that maths was not for girls. Maybe this was unconsciously strengthened by the female maths teachers I had in early school years. Shortly before my last two years of secondary school began, I decided against choosing mathematics as a major (which always seemed to be clear beforehand) because I did not enjoy the maths classes I attended in the preceding year. Nevertheless, I very much enjoyed the following two years of maths classes, which is among other things certainly due to the amazing teacher (and possibly first maths mentor) I had. From the beginning, he made quite clear that he did not really understand why I only chose maths as a minor, but he would motivate, encourage and challenge me even more throughout the two years. He also was one of the few persons I could consult when I was thinking about applying to study maths at university.

In the end, (…) I decided to study maths but was pretty much clueless about how a typical workday of a student even looked.

I was the first family member to attend university, let alone having received a university-entrance diploma, and so my family could not really provide me with a lot of advice or experience in this regard. However, they were incredibly supportive in multiple other ways throughout my studies and without their support I certainly wouldn’t be where I am now.
In the end, after considering other options such as linguistics and language studies, I decided to study maths but was pretty much clueless about how a typical workday of a student even looked. At first, I thought it was sufficient to attend the lectures (like the classes in school) and go home after. This also fit snugly with the hours I had to work in my side-job. The ‘homework’ was surely very similar to the one at school and I would just solve the mathematical problems we were given by myself like I did in school. Preparing for the exams would certainly be similar to schooldays and I would not have to study too hard. It did not take too long until I realised that I was completely wrong. The first unsuccessful exams hit me quite hard and ultimately, I found myself in a situation that I had not known up to this point in my life. It was already pretty late to turn things around completely and after many thoughts and conversations, I decided to start all over again one year later.

It is essential to have role models to look up to from the beginning and ideally to be mentored and supported by experienced and committed persons. I am extremely lucky and thankful to have those people in my life.

The further I got and also the more I was able to specialise in my studies, the more I enjoyed student life. I was lucky enough to have a strong and supportive network of fellow students and friends. What is more, especially in the final year of my Bachelor’s, I had two extremely dedicated, passionate and encouraging advisers, one of which was going to become one of my main mentors throughout my academic career. And this is the main message I would like to convey here. It is essential to have role models to look up to from the beginning and ideally to be mentored and supported by experienced and committed persons. I am extremely lucky and thankful to have those people in my life. In addition to my Bachelor’s and Master’s supervisor, I had two incredibly supportive, heartening and inspiring women as a PhD supervisor and co-supervisor. I believe that my passion for women encouragement was significantly influenced by my main PhD supervisor who herself has given numerous talks on her own experiences as a woman in maths, her career path and her very personal journey to become an excelling mathematician and leader.

We realised that we were not alone with our struggles and doubts and this was extremely liberating and empowering.

Already during my Master’s, I participated in a mentoring programme that was coined by a very committed (male!) diversity officer at our maths department. We had regular meetings in small groups of three mentees and one mentor who was a female PhD student. We were able to informally chat about positive and negative experiences, the decision whether to continue as a PhD student or search for a job in industry and how being a woman in a still male-dominated field poses some challenges. We realised that we were not alone with our struggles and doubts and this was extremely liberating and empowering.

Without all of this amazing support and encouragement I am 100% sure that I would not have continued doing a Master’s respectively PhD respectively post-doc, as I have fairly often thought about quitting at various points in my career. In the end, persevering, listening to my mentors and believing in myself was worthwhile. Nowadays, I try to identify situations in which I observe sexism, female students and colleagues struggling with imposter syndrome, or simply the exhausting and competitive environment that academia sometimes is. Then I try to speak out or even manage to become a mentor myself.

My PhD research was in applied mathematics. More specifically, in one of my main projects I developed mathematical image analysis tools for an application in cancer research. In an interdisciplinary collaboration I worked with biologists that studied the efficacy of anti-mitotic drugs trying to slow down or prevent mitosis, the process of cell division, in cancer cells. I developed a graphical user interface that facilitated the automatic analysis of sequences of microscopy images showing the treated cells over time.

I loved the communication part of post-grad academic life; not only discussions and exchanges, but also communicating my work to others at conferences, workshops and during outreach projects.

I always liked collaborations in my academic career and I believe that against all stereotypes, at least applied maths is a very team-oriented discipline and it is essential to discuss lectures, papers and ideas with fellow students and colleagues. I loved the communication part of post-grad academic life; not only discussions and exchanges, but also communicating my work to others at conferences, workshops and during outreach projects. Recently, I even quit research and started working as a scientific associate at university focusing on science communication as well as education.

AppliedMathematics

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Joana Sarah Grah

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