Joanna Gierasimiuk is a UX Designer & Researcher, a psychologist in tech, in the past - a research scientist. Currently, she is working as a UX Designer & Researcher at Sparing Digital. She collaborated with software houses, SaaS products, NGOs, independent contractors as well as government agencies. In all of her work, she is focused on cooperation aimed at improving product decisions. She is a member of PTBRIO, the Polish Society for Opinion and Marketing Research. After work, she mentors and teaches courses on UX.