born in 1948 in Cleveland (Ohio), lives in Stanford (California). Education: film (with Paul Sharits), composition with Robert Ashley. Since 1976 collaboration with David Tudor and David Behrman (live electronic music, group “Composers Inside Electronics”), teaching assignment at Mills College. 1979–82 as artist-in-residence at Wesleyan University (Middletown, Connecticut) and at the Exploratorium (San Francisco). 1982–84 worked as a video game designer for Atari Inc. 1988–97 teaching assignment at San Francisco Art Institute, 1994–97 artist-in-residence at Xerox PARC (Palo Alto, California). 1996–2001 collaboration with the Merce Cunningham Dance Company. Since 2000 teaching assignment (Associate Professor for Sound and Media) at Stanford University. Since 1976 numerous awards and grants, including the Goldene Nica des Prix Ars Electronica, Linz in 2006 in the category of “Interactive Art” for his work The Messenger from 1998 (revised version 2005).