Marta Ludwiszewska a.k.a. Martiszu is a freelance graphic designer & illustrator, living and working in Warsaw, Poland. Her work focuses on typography and illustration, with special interest in print design. She is the cofounder of screen printing studio N22, coordinator of the arts events series Full Moon Party, and author of illustrations for two children’s books. She also created the Graphic Emergency Service, a poster campaign supporting nationwide demonstrations.