This profile has not been claimed and data may not be accurate.
Founder195Current founder
95th percentile
Investor27Past investor
70th percentile
Combined
Serial founder: Siebel Systems ($5.8B Oracle exit) and C3 AI (public)
Credibility
this founder typical founder (50th pct)
Operator · 97th percentile
- Current Executive Chairman and founder of C3 AI, which he founded in 2009.
- Named one of the Top 25 Managers in the World by BusinessWeek (2000, 2001) and CEO of the Year by Industry Week (2002) — recognized for executive leadership and operational scale.
- Past founder of Siebel Systems, which merged with Oracle in 2006.
- Siebel Systems was co-founded with Patricia House.
- Google Knowledge Graph maintains a knowledge panel for Thomas Siebel as founder of C3.ai.
Relationship Matrix
Most Like You
Most Complimentary
Founder score
- 99%Probability of being accurate (99%)Current Executive Chairman and founder of C3 AI, which he founded in 2009.
- 99%Probability of being accurate (99%)Past founder of Siebel Systems, which merged with Oracle in 2006.
- 99%Probability of being accurate (99%)Wikipedia page exists for Thomas Siebel — strong public notability signal.
- 97%Probability of being accurate (97%)Siebel Systems was acquired by Oracle Corporation for $5.8B.
- 97%Probability of being accurate (97%)Google Knowledge Graph maintains a knowledge panel for Thomas Siebel as founder of C3.ai.
- 95%Probability of being accurate (95%)35,810 LinkedIn followers — broad professional reach.
- 95%Probability of being accurate (95%)c3.ai ranks #39,147 on the Majestic Million (global domain prominence).
- 95%Probability of being accurate (95%)Siebel Systems was co-founded with Patricia House.
- 92%Probability of being accurate (92%)C3 AI went public via IPO in 2020 and currently trades at a ~$2.8B market cap.
- 88%Probability of being accurate (88%)Named one of the Top 25 Managers in the World by BusinessWeek.
- 85%Probability of being accurate (85%)Wikipedia page averages ~12,994 views/month — a widely-known public figure.
- 82%Probability of being accurate (82%)Featured in Fortune magazine with multiple bylined articles and a dedicated profile on Tom Siebel as a tech pioneer — tier-1 outlet coverage.
- 75%Probability of being accurate (75%)C3 AI is a publicly traded company with annual revenue of $389.1M, demonstrating operating profitability signal at scale.
Investor score
- 85%Probability of being accurate (85%)Thomas Siebel has been active as an investor and executive since 1993, representing over 15 years of investing and operating experience.
- 80%Probability of being accurate (80%)Grounded facts confirm investments in NICE Satmetrix, Vital Link Business Systems, and BizProLink.
- 75%Probability of being accurate (75%)NICE Satmetrix, a portfolio company, was acquired (undisclosed value).
What you likely need
As the founder of two major enterprise software companies — including a $5.8B exit and a public AI company — you'd benefit most from events that connect you with other late-stage and public-company founders navigating AI transformation, as well as forums where enterprise AI strategy and go-to-market are debated at the highest level. Your profile also signals strong thought-leadership reach, making positioning and media-facing roundtables a natural fit.
Would you attend these IRL Festival events?
We will tune and customize your Founder Festival experience to make sure you get invited to the events that would be most valuable to you.
- tacticalA closed-door CEO roundtable with other public enterprise AI company founders to compare GTM playbooks and partnership strategies in the post-LLM era.
- introsAn Oracle and Siebel Systems alumni dinner to reconnect with enterprise software veterans now building or investing in the next wave of AI infrastructure.
- positioningA positioning workshop with Fortune 500 CIOs and enterprise AI founders on how to differentiate C3 AI's platform narrative against hyperscaler AI offerings.
- introsA Silicon Valley legacy-founder dinner (Siebel, PeopleSoft, SAP-era alumni) to share lessons on scaling enterprise software through multiple technology cycles.
- positioningA thought-leadership media roundtable with top-tier journalists from Fortune, WSJ, and Bloomberg covering enterprise AI transformation — building on your existing Fortune bylines.
- hiringA University of Illinois engineering alumni dinner with current UIUC CS founders and faculty to deepen the Siebel School of Computing pipeline into C3 AI.
- wellbeingA small wellbeing retreat for public-company founders navigating the transition from CEO to Executive Chairman — peer support for the identity and leadership shift.