Image of Thomas Siebel

Thomas Siebel

Chairman and Chief Executive Officer

Chairman and Chief Executive Officer at

Redwood City, California

Section title

Thomas Siebel's Email Addresses & Phone Numbers

Thomas Siebel's Work Experience

C3 Energy

Chairman and Chief Executive Officer

July 2011 to Present

First Virtual Group


1996 to Present

Siebel Systems

Chairman and Chief Executive Officer

July 1993 to January 2006

Thomas Siebel's Education

University of Illinois at Urbana-Champaign

Masters of Science MBA Ph.D (Honorary) in Engineering Computer Science

1973 to 1983

University of Illinois at Urbana-Champaign

Bachelor of Arts History

1971 to 1973

Thomas Siebel's Professional Skills Radar Chart

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Based on our findings, Thomas Siebel is ...

44% Left Brained
56% Right Brained

Thomas Siebel's Estimated Salary Range

About Thomas Siebel's Current Company

C3 Energy

Frequently Asked Questions about Thomas Siebel

What company does Thomas Siebel work for?

Thomas Siebel works for C3 Energy

What is Thomas Siebel's role at C3 Energy?

Thomas Siebel is Chairman and Chief Executive Officer

What is Thomas Siebel's personal email address?

Thomas Siebel's personal email address is th****[email protected]

What is Thomas Siebel's business email address?

Thomas Siebel's business email address is t*****

What is Thomas Siebel's Phone Number?

Thomas Siebel's phone (213) ***-*400

What industry does Thomas Siebel work in?

Thomas Siebel works in the Computer Software industry.

Who are Thomas Siebel's colleagues?

Thomas Siebel's colleagues are Valerie Tyburski, Chen Liu, Binu Mathew, Danielle YoungSmith, Yun Lu, Nathan Rouxel, Patrick Deven, Aditi Nataraj, Ranjilla Ranganathan, and Anupama Keeli

About Thomas Siebel

📖 Summary

Mr. Siebel is the Chairman and Chief Executive Officer of C3 Energy. Mr. Siebel 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 serves on the board 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 Bachelor of Arts in History, an M.B.A., and a Master of Science in Computer Science.Chairman and Chief Executive Officer @ From July 2011 to Present (4 years 6 months) Chairman @ From 1996 to Present (19 years) Chairman and Chief Executive Officer @ From July 1993 to January 2006 (12 years 7 months) Chief Executive Officer @ From 1990 to December 1992 (2 years) Senior Vice President @ From 1984 to 1990 (6 years) Masters of Science, MBA, Ph.D (Honorary) in Engineering, Computer Science @ University of Illinois at Urbana-Champaign From 1973 to 1983 Bachelor of Arts, History @ University of Illinois at Urbana-Champaign From 1971 to 1973 Thomas Siebel is skilled in: Leadership, CRM, Entrepreneurship, Corporate Development, Enterprise Software, Venture Capital, SaaS, Start-ups, Executive Management, Business Development, Customer Service, Professional Services, Cloud Computing, Private Equity, Product Marketing

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In a nutshell

Thomas Siebel's Personality Type

Extraversion (E), Sensing (S), Thinking (T), Perceiving (P)

Average Tenure

8 year(s), 9 month(s)

Thomas Siebel's Willingness to Change Jobs



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There's 73% chance that Thomas Siebel is seeking for new opportunities

Thomas Siebel's Social Media Links

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