Born in 1982. He graduated from Academy of Fine Arts in Krakow (Poland) where he completed his MA studies at the Painting Department and the Animated Film Studio of Jerzy Kucia. During his studies he did two short animation films: TV-Set and Little Black square. In 2014 he directed a short film A Blue Room. It had the world premiere at the Cannes Film Festival in Critics Week section. The film received the award for the Best Animation at the 22nd Curtas Vila do Conde Film Festival (Portugal), the Silver Hobby-Horse at Krakow Film Festival (Poland) and many other awards. His films have been presented at numerous festivals , e.g. in Clermont- Ferrand, Cannes, Utrecht, Zagreb, Uppsala, Stuttgart, Krakow. Siwiński is a member of the international association of animators ASIFA and The Polish Filmmakers Association. He is currently working on a long feature film project.