b. 1957 A Polish painter, sculptor, performer, poet, theoretician of art. A winner of the 22nd Cagnes-sur-Mer Painting Festival award (1990). A co-founder of Gruppa (Marek Sobczyk, Paweł Kowalewski, Ryszard Grzyb, Jarosław Modzelewski, Ryszard Woźniak), the most important artistic group in Polish art of the 80s. 

Works in collections: National Museum in Warsaw, Wrocław, Krakow, Muzeum Sztuki in Łódź, Museum of Modern Art in Warsaw, Zachęta National Gallery of Art in Warsaw, CSW Ujazdowski Castle in Warsaw, Zachęta Sztuki Współczesnej in Szczecin, Centro Direzionale Colleoni, Galerie Nikki Diana Marquardt.

Selected exhibitions: Documenta, Kassel (1987); Gruppa 1982-1992, Zachęta National Gallery of Art, Warsaw (1992), Polish Institute of Culture, Berlin (2000), The XXI century Polish painting, Zachęta National Gallery of Art, Warsaw (2007); retrospective exhibition, Zachęta National Gallery of Art, Warsaw (2008).