Thomas 'Tom' M. Siebel is an American businessman, the self-made billionaire Founder and CEO of C3.ai, Inc. (NYSE: AI) and Founder and former Chairman/CEO of Siebel Systems. His career is rooted in elite computer science, software development, and serial entrepreneurial disruption.

Siebel holds a B.A. in History, an MBA, and an M.S. in Computer Science from the University of Illinois (UIUC). His philosophical approach centers on technological excellence, scale efficiency, and long-term commitment to enterprise software and Artificial Intelligence (AI) (pioneering the CRM and modern AI software models). He is a former senior executive at Oracle.

• C3.ai, Inc. (Founder & CEO): The core publicly traded asset, a global leader in enterprise AI software (specializing in AI applications for energy and industrial clients).
• Siebel Systems (Former Founder & CEO): The foundational source of his wealth, the dominant Customer Relationship Management (CRM) software company of the 1990s (sold to Oracle for $5.85 billion in 2005).
• Academic Background: He holds an MBA and M.S. in Computer Science from UIUC.
• Investment Strategy: His success is built on strategic M&A and long-term investment in AI and enterprise cloud infrastructure.

Thomas Siebel's strategic genius was his commitment to the enterprise customer. He co-founded Siebel Systems in 1993, successfully building the platform into the dominant CRM provider globally. His structural contribution is immense: pioneering the modern Customer Relationship Management (CRM) software sector. The company was sold to Oracle for $5.85 billion in 2005.

2009: C3.ai. He founded C3.ai, recognizing the structural opportunity to apply AI and machine learning to solve complex problems in industrial and energy sectors. His wealth is secured by the colossal liquid gains from the Oracle acquisition and the long-term appreciation of his stake in C3.ai.

Thomas Siebel's social impact stems from Siebel Systems' role in pioneering the global CRM software market. His current venture, C3.ai, provides essential AI software infrastructure that drives efficiency in industrial and energy management. The Siebel Scholars Foundation supports major initiatives in education, energy research, and poverty alleviation, funding scholarships and research programs at leading universities globally.

His personal philanthropy supports various community and educational initiatives.

Thomas Siebel maintains the professional, composed style of a corporate executive. His attire is consistently formal and high-quality, favoring tailored suits. His aesthetic reflects serious authority and intellectual depth, typical of a pioneer in the global tech sector.

Residing in Woodside, California, his luxury is the immense security and financial reward derived from his multi-billion dollar fortune. His life is dedicated to technology innovation, strategic management, and philanthropy.