Studio K.O.S. is Angel Abreu (b. Bronx, NY, USA 1974) and Ricardo Savinon (b. New York, NY, USA 1971). Their selected solo exhibitions include Invisible Man, O-Town House, Los Angeles, USA (2022) and Studio K.O.S: The Continuing Legacy of Tim Rollins and the Kids of Survival, Wexler Gallery, Philadelphia, PA, USA (2021). Solo exhibitions of Tim Rollins and K.O.S include Unbound, Portland Museum of Art, Portland, USA (2016); Rivers, SCAD Museum of Art, Savannah, USA (2014); On Transfiguration, Museum für Gegenwartskunst, Basel, Switzerland (2012), The Black Spot, Talbot Rice Gallery, Edinburgh, UK (2012); and Arnolfini Gallery, Bristol, UK (1998). Their works are held in museum collections including The Art Institute of Chicago, Chicago, USA; Dallas Museum of Art, Dallas, USA; Foundation for Contemporary Art, Mexico City, Mexico; Solomon R. Guggenheim Museum, New York, USA; The Museum of Modern Art, Osaka, Japan; Stedelijk Museum, Amsterdam, The Netherlands; Tate Gallery, London, UK; The Whitney Museum of American Art, New York, USA, MoMA, New York USA.