Contemporary American conceptual artist based in New York. He has been exhibiting his work in video, drawing, film, sculpture, and installations since 1974. He has received a Guggenheim Fellowship (2004) and a Rockefeller Foundation Media Arts Fellowship (2003) and has taught at Princeton University and Cooper Union for the Advancement of Art and Science, among others. His works have been shown at the Museum of Modern Art, NY; Centre Georges Pompidou, Paris; Tate Liverpool, the Whitney Museum of American Art, New York, and many other museums.