| Title | Co-Founder |
| Notes | From 1998 to 2003 Walker left HP to work as vice president of marketing for an optical storage start-up company, TeraStor. He also founded two companies: TapCast, which delivered services to the youth market via wireless and the Internet, and Pinpoint-Partners, a consulting firm focused on helping companies succeed in complex, difficult business environments. Additionally, he served as vice president and general manager at Pumatech, a leader in software synchronization technology. |