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Thomas M. Siebel

Founder, Chairman, and CEO

Mr. Siebel is the chairman and chief executive officer of C3, a leading software provider for AI digital transformation.

Mr. Siebel was the founder, chairman, and chief executive officer of Siebel Systems, one of the world’s leading software companies, that merged with Oracle Corporation in January 2006. Founded in 1993, Siebel Systems rapidly 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 the founder and chairman of the Thomas and Stacey Siebel Foundation. Established in 1996, the Foundation funds projects to support energy solutions, educational and research programs, public health, and the homeless and underprivileged. In 2015 the Foundation launched the Siebel Energy Institute, a global consortium for innovative and collaborative energy research for the public domain. The Siebel Energy Institute fosters research collaboration among premier universities and spurs the greatest minds in engineering and computer science to address the most pressing energy challenges of our time.

Mr. Siebel serves on the College of Engineering boards at the University of Illinois and the University of California, Berkeley. He is a director of the Hoover Institution at Stanford University and is a member of the American Academy of Arts and Sciences.

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.

Honors and Awards

  • Entrepreneur of the Year, EY, 2018
  • Wall Street Journal CEO Council, 2018
  • Goldman Sachs Most Intriguing Entrepreneur, 2018
  • Glassdoor Top CEO, 2018
  • Ph.D. (Hon), Politecnico di Torino, 2018
  • Forbes Cloud 100 Top 20 and No. 1 Newcomer, 2017
  • Entrepreneur of the Year, EY, 2017
  • Best Places to Work, 100% CEO approval rating, Glassdoor, 2017
  • Most Admired CEO Lifetime Achievement Award, San Francisco Business Times, 2016
  • 50 Years, 50 Innovators, University of Illinois at Urbana-Champaign, 2014
  • The World’s Top 25 Eco-Innovators, Fortune Magazine, May 2014
  • The Chancellor’s Citation, University of California, Berkeley, February 2014
  • Academy of Arts and Sciences Elected Member, April 2013
  • Alumni Achievement Award, University of Illinois, March 2013
  • #3 of the World’s Top 25 Philanthropists – Barron’s, November 2010
  • Woodrow Wilson Award for Corporate Citizenship – The Woodrow Wilson International Center for Scholars of the Smithsonian Institution, 2010
  • Engineering at Illinois Hall of Fame – University of Illinois at Urbana-Champaign, 2010
  • #5 of the World’s Top 25 Philanthropists – Barron’s, 2009
  • Top 50 Philanthropists – BusinessWeek 2007, 2008
  • Lincoln Academy Laureate – The Lincoln Academy of Illinois, 2008
  • Ph.D. (Hon) Engineering, University of Illinois at Urbana-Champaign, 2006
  • White House Commendation, Most Influential Drug Program – Office of National Drug Control Policy, 2006
  • Leadership Award – Federal Bureau of Investigation, 2006
  • Lewis & Clark Pioneers in Industry Award – University of Montana, 2006
  • One of the 50 Best Companies to Work for in Silicon Valley – San Jose Magazine, 2004
  • Thomas M. Siebel, Master Entrepreneur of the Year – Ernst & Young, 2003
  • Entrepreneurial Company of the Year – Harvard Business School, 2003
  • Hall of Fame – CRM Magazine, 2003
  • David Packard Award – Business Executives for National Security, 2002
  • CEO of the Year – Industry Week, 2002
  • Top 25 Executives, Readers’ Choice – Computer Reseller News, 2002
  • Top 25 Managers in Global Business – BusinessWeek, 1999 to 2002
  • Top 25 Executives – Computer Reseller News, 2001
  • University of Illinois Presidential Award and Medallion, 2001
  • Second Fastest Growing Company in America – Fortune, 2000
  • Top 10 CEOs of 2000 – Investor’s Business Daily, 2000
  • Hall of Fame: in Recognition of Contributions to the Business and Technology of Customer Service – Call Center Magazine, 2000
  • The World’s Most Influential Software Company – BusinessWeek, 2000
  • Third Fastest Growing Company in America – Fortune, 2000
  • The Most Influential Company in IT – Intelligent Enterprise, 2000
  • Fastest Growing Technology Company – Deloitte & Touche, 1999
  • Fastest Growing Company in America – Fortune, 1999


  • “Digital Transformation: The Post-Industrial Utility,” Aspenia Magazine, June 2018
  • “Why Digital Transformation Is Now on the CEO’s Shoulders,” McKinsey Quarterly 2018 Number 1
  •  “Thought Leaders Speak Out: Key Trends Driving Change in the Electric Power Industry,” The Edison Foundation Institute for Electric Innovation (IEI), 2015
  • Advanced Smart Grid introduction, Artech House, 2015
  • “The Internet of Energy,” Electric Perspectives magazine, 2015
  • Written Testimony to the United States House of Representatives Energy and Commerce Committee, Subcommittee on Energy and Power, 2015
  • “Big Data and the Smart Grid: Is Hadoop the Answer?”, Stanford Energy Journal, 2014
  • Taking Care of eBusiness, Doubleday, 2001
  • Cyber Rules, Doubleday, 1999
  • Virtual Selling, Free Press, 1996

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Thomas M. Siebel

Founder, Chairman, and CEO
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