C3.ai CEO Tom Siebel to Seek Successor Due to Health Concerns

Software company C3.ai Inc. is looking for a new chief executive officer after Tom Siebel said he intends to step aside due to health concerns.

“After being diagnosed with an autoimmune disease in early 2025, I have experienced significant visual impairment,” Siebel said in a statement Thursday. He will remain executive chairman once the company’s board appoints a successor, he added.

CEO of C3.AI Tom Siebel

Photographer: Stefan Wermuth/Bloomberg

Siebel is a technology industry veteran who helped pioneer the customer relationship management software category in the 1990s. His namesake company, Siebel Systems, was acquired by Oracle Corp. in 2006. He then founded C3.ai in 2009, building a ...