He moved to Valencia, California in 1971 and taught at the California Institute of the Arts until 1992, in addition to work at University of California, Berkeley, San Jose State University, and many other universities in the US and Canada.
Kemudian ia pindah ke Valencia, California pada tahun 1971 dan mengajar di Californian Institute of The Arts hingga tahun 1992, di samping bekerja di Universitas California, Berkeley, San Jose State University, dan banyak universitas lainnya di Amerika Serikat dan Kanada.