|2002 to present: Redwood Neurosciences Institute, Menlo Park, CA; Director.
2000 to present: Octago, Inc., San Francisco, CA; Chairman.
1999 to present: American Institute of Mathematics, Palo Alto, CA; Director.
1999 to 2002: Business Cafe, San Jose, CA; Senior Advisor.
1999 to present: World Institute on Disability, Oakland, CA; Director.
1998 to 2001: Hebrew University School of Engineering, Jerusalem, Israel; International Advisory Committee.
1998 to present: Churchill Club, San Jose, CA; Advisory Board.
1998 to present: Foothill College Center for Innovation, Los Altos Hills, CA; Advisory Board.
1998 to present: University of Maryland Business School, College Park, MD; Council of Advisors.
1998 to present: Cultural Initiative/Silicon Valley, San Jose, CA; President of the Board.
1998 to present: Kirsch Family Foundation, San Jose, CA; Vice Chairman.
1998: Leave a Legacy Program, San Francisco, CA; South Bay Chairman.
1998 to 1999: San Jose Museum of Art, San Jose, CA; Trustee.
1997 to 1998: Networks Associates, Inc., Santa Clara, CA; Director.
1997 to present: Henry Crown Fellowship Program, Washington, DC; Overseer, Senior Mentor.
1997 to 1998: NTT Multimedia Communications Laboratory, Palo Alto, CA; Chairman.
1997 to 1998: LinkCo, Inc., Boston, MA; Director.
1996 to 1999: Inprise, Inc., Scotts Valley, CA; Director and Vice-Chairman (formerly Borland International.)
1995 to 1998: GlobalNet Systems, Ltd., Chatsworth, CA; Director.
1995 to 1996: Broad Alliance for Multimedia Technology and Applications (BAMTA), Santa Clara, CA; Chairman.
1993 to 2000: American Leadership Forum, Silicon Valley Chapter, Class V (1993), Director (1993 on), Vice Chair (1995 to 1999).
1992 to 2002: Community Foundation Silicon Valley, Board of Advisors (1992 to 1993), Director (1993 on), Chairman (1997 to 1999).
1992 to 1996: modernsoft, Inc., Palo Alto, CA; Director.
1990 to present: Saal Family Foundation, San Francisco, CA; President and Director.
1989 to 1991, 1995 to 1997: AssureNet Pathways, Inc., Mountain View, CA; Director, Chairman (1996 to 1997).
1989 to present: Jewish High Tech Community of the Jewish Community Federation South Peninsula Region, Palo Alto, CA; Founder, Executive Committee.
1986 to 1987: IIS Intelligent Information Systems, Ltd., Haifa, Israel; Director.
1985: Giltronix, Inc., Palo Alto, CA; Director.
1984 to 1985: Notation Corporation, Los Gatos, CA; Director.
1983 to 1999: Imaging Technologies Corporation, San Diego, CA; Director; Chairman (1996 on).