Rank #1082
Thomas Siebel
Net worth $4.0B
Business software · United States
- Born
- Nov 22, 1952
- Age
- 73
- Source
- Business software
- Residence
- Woodside, California
- Citizenship
- United States
- Marital status
- Married
- Children
- 4
- Education
- Bachelor of Arts/Science, University of Illinois, Urbana-Champaign; Master of Business Administration, University of Illinois, Urbana-Champaign; Master of Science, University of Illinois, Urbana-Champaign
Net worth over time
Biography
- Tom Siebel built software firm Siebel Systems and sold it to Oracle in 2006 for $5.8 billion in cash and stock.
- A former salesman at Oracle, he left in 1990 to launch Siebel Systems.
- In 2009, he created C3.ai, an enterprise AI firm he took public in 2020 at a near $10 billion valuation.
- C3.ai started as a clean energy firm. It was briefly named C3IoT in 2016 to chase the internet of things market.
- He has given more than $150 million to his alma mater, U. of Illinois Urbana-Champaign, including a 2024 gift to build the Siebel School of Computing and Data Science.
- Siebel was attacked by an elephant on a 2009 safari trip in Serengeti; he barely escaped death and underwent 19 reconstructive surgeries.
- Siebel owns a 90,000-acre ranch in Wolf Creek, Montana where he raises over 1,000 cattle and produces 500,000 pounds of beef annually.
Financial assets
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