My PhD project is very interdisciplinary – both mathematically and on a wider subject basis. I am interested in applying tools from pure mathematics, specifically algebraic topology, to biological problems. I have for example studied human brain networks during learning and brain networks of schizophrenia patients using persistent homology. Currently my aim is to study blood vessel networks in tumors and to quantify their characteristics before, during and after treatment. This requires me to communicate with biologists and collaborators from industry as well as pure and applied mathematicians. Even though this at times can be challenging, I have very much enjoyed the diversity and insight into different fields that I gain from this collaboration.