Casey Reas writes software to explore conditional systems as art. Through defining emergent networks and layered instructions, he has defined a unique area of visual experience that builds upon concrete art, conceptual art, experimental animation and drawing. While dynamic, generative software remains his core medium, work in variable media including prints, objects, installations and performances materialise from his visual systems.

Reas' software, prints and installations have been featured in over one hundred solo and group exhibitions at museums and galleries in the United States, Europe, and Asia. Recent venues include the San Francisco Museum of Modern Art and the Art Institute of Chicago, and recent commissions have been awarded by the Whitney Museum of American Art and the New World Symphony in Miami. Reas' work is in a range of private and public collections, including the Centre Georges Pompidou and the Victoria and Albert Museum.

Reas is a professor at the University of California, Los Angeles. He holds a masters degree from the Massachusetts Institute of Technology in Media Arts and Sciences as well as a bachelors degree from the College of Design, Architecture, Art, and Planning at the University of Cincinnati.