Profile Previews

Get a glimpse into our company and investor data—powered by the PitchBook Platform

Thomas Siebel


Dr. Thomas Siebel serves as Chairman and Chief Executive Officer at He was the Chairman and Chief Executive Officer of Siebel Systems, which merged with Oracle Corporation in January 2006. Founded in 1993, Siebel Systems became a leader in application software with more than 8,000 employees in 32 countries, over 4,500 corporate customers, and annual revenue in excess of $2 billion. Mr. Siebel is also Chairman of the Siebel Energy Institute, a global consortium for innovative and collaborative energy research for the public domain. Mr. Siebel serves on the boards of advisors for the Stanford University College of Engineering, the University of Illinois College of Engineering, and the University of California at Berkeley College of Engineering. Mr. Siebel is a graduate of the University of Illinois at Urbana-Champaign, where he received a B.A. in history, an M.B.A, and an M.S. in computer science. He also serves as President at The Thomas And Stacey Siebel Foundation. He is an Angel Investor.

Primary Investor Type
Angel (individual)
Other Investor Types
Limited Partner
Primary Office
  • Woodside, CA
  • United States

Thomas Siebel Investments (1)

Company Name Deal Date Deal Type Deal Size Industry Company Stage Lead Partner
00.00 17-Jan-2018 00000 00000 00000 Business/Productivity Software Generating Revenue 000000 000000 00.0
To view this investor’s complete investment and acquisition history, request access »
Request full access to PitchBook

You’re viewing a free company profile from the PitchBook Platform. To explore Thomas Siebel’s full profile, request a free trial.

Thomas Siebel Team (1)

Name Title Deals Funds Boards Office Contact
Thomas Siebel Ph.D Angel Investor 0 0 Woodside, CA

Thomas Siebel Co-Investors (5)

Name With Exits Lead Partner
Breyer Capital 1 0
Shell Ventures 0 0
Sutter Hill Ventures 0 0
TPG Growth 0 0
The Rise Fund 0 0
To view this investor’s complete co-investor history, request access »