How billionaire Tom Siebel identifies lucrative markets before anyone else, from inventing CRM to enterprise AI, and the five ...

Siebel indirectly sold 532,832 shares for a transaction value of ~$7.6 million across two days ending Dec. 17, 2025. All shares were disposed of via indirect entities, primarily The Siebel Living ...

C3.ai's founder just returned to his role as chief executive officer.

C3 AI founder Thomas Siebel is returning to the role of chief executive after stepping down last year over health concerns. Siebel had an autoimmune disease that caused visual impairment, leading ...