Dr. Thomas Siebel serves as Chairman and Chief Executive Officer at C3.ai. 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.