Marta Kopyt (Poland) is an artist and popularizer of mathematics. She graduaded in Mathematics at the University of Warsaw and in Graphic Design at the Academy of Fine Arts in Warsaw. Marta is the author of Wytwórnik geometryczny (a book for kids about Geometry) and Where are we sleeping tonight. She cooperates with various magazines and since 2019 she organizes a festival for kids called I hate mathematics which shows how much fun mathematics can be.