Jabarkan Tim manajemen dari Sierra Entertainment

CEO (1979 – November 1997)

Chairman (September 1988 – July 1996)

Presiden (1981 – Summer 1983)

CFO dan Wakil Presiden Senior (June 1994 – October 1995)

Presiden dan COO (October 1995 – October 1997)

Presiden (Juni 1998 – Juni 2001)

COO and Vice President of Product Development (Juni 2001)

President (Juni 2001 – Juni 2004)