In autumn 2024, Yea Rem Choi, from South Korea, Junior Research Fellow at the International Laboratory for Supercomputer Atomistic Modelling and Multi-scale Analysis and assistant at the HSE MIEM School of Applied Mathematics, defended his doctoral dissertation on applied mathematics at HSE University. Yea Rem Choi talked to the HSE News Service about the soft skills that helped him in his research, how he is building a career, and why he chose HSE University for his doctoral studies.