Thomas Siebel Overview

  • Investor Type
  • Angel
  • Investments
  • 1
  • Portfolio
  • 1

Thomas Siebel General Information


Dr. Thomas Siebel serves as Chairman and Chief Executive Officer at He also a Co-Founder and serves as the Chairman at The Thomas And Stacey Siebel Foundation. 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 an 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 is an Angel Investor.

Contact Information

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 Thomas Siebel’s complete investments history, request access »
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Thomas Siebel Investments by Industry, Year, and Region

Investments by Industry

Investments by Year

Investments by Region

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Thomas Siebel Team (1)

Name Title Deals Funds Boards Office
Thomas Siebel Ph.D Angel Investor 0 0 Woodside, CA
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Thomas Siebel Co-Investors (5)

Name With Exits Lead Partner Series Industry
Breyer Capital 1 0 Series chart Industry bar
Shell Ventures 0 0 Series chart Industry bar
Sutter Hill Ventures 0 0 Series chart Industry bar
TPG Growth 0 0 Series chart Industry bar
The Rise Fund 0 0 Series chart Industry bar
To view Thomas Siebel’s complete co-investors history, request access »