Gordon Sizelove (American, b. 1953) is a San Francisco–based painter whose geometric forms and vivid chromatic fields explore universal themes of perception, movement, and connection. Working in acrylics, pastels, charcoal, and pencil, he constructs enigmatic interlocking patterns - shapes that seem to shift between biomorphic organisms viewed through a microscope, the mottled textures of a forest floor, or objects drifting through deep space. Influenced by contemporary developments in art, architecture, and science, Sizelove’s visual language is distinctly his own.

Born in Boston and raised across Springfield and Worcester, Massachusetts, Sizelove began painting early and studied at both cities’ art museums. In 1972 he moved to the West Coast to attend the San Francisco Art Institute, where he immersed himself in a thriving cultural scene. There he studied with second-generation American abstractionists and artists associated with the emerging Funk Art movement, including Sam Tchakalian, Julius Hatofsky, Tom Holland, and Robert Hudson. He also met his future wife, Barbara Johnson, in a course taught by Robert Colescott, whose transgressive, incisive paintings about race made a lasting impression.

After earning his MFA in Painting in 1979 and exhibiting widely, Sizelove completed a teaching credential in Art Education at San Francisco State University. He spent decades teaching art in the San Francisco Unified School District, later shifting his focus to working with students with learning disabilities while pursuing additional studies in perception and behavior. Since retiring in 2014, he has returned to painting full time, continuing to evolve his practice through ongoing engagement with developments in science, philosophy, psychology, and contemporary art.