Tom Siebel is an American entrepreneur and businessman, best known as the founder of Siebel Systems, a software company that specialized in customer relationship management (CRM) solutions. He played a significant role in the growth of the software industry during the 1990s and early 2000s, leading his company to become a major player in the CRM market before it was acquired by Oracle Corporation in 2006. In addition to his work with Siebel Systems, Tom Siebel is also the founder of C3.ai, a company focused on artificial intelligence and IoT applications for businesses. He has been recognized for his contributions to technology and has received various awards throughout his career, highlighting his influence in the tech sector.