Claude Guillemot, one of Ubisoft’s five founders and the chief executive of Guillemot Corporation, has died in a plane crash in western France. He was 69. Ubisoft confirmed his death after the accident near La Baule on June 19, where a twin engine Cessna 421 carrying Guillemot and one other person crashed. Both people on board died.
Guillemot helped establish Ubisoft in 1986 alongside his brothers Christian, Gérard, Michel, and Yves. The company began as a family run business connected to software and hardware distribution before becoming one of the largest game publishers in the world.
While Yves Guillemot became the public face of Ubisoft as chief executive, Claude remained an important figure in the wider Guillemot business group and helped shape the company during its early growth.
Claude Guillemot Helped Build Ubisoft Into a Global Publisher
Ubisoft’s rise began with smaller releases before the company found international recognition through games such as Rayman. It later expanded through major franchises including Prince of Persia, Tom Clancy’s games, Far Cry, Assassin’s Creed, Just Dance, and Rainbow Six.
Claude Guillemot was part of the family group that guided Ubisoft through its transformation from a regional business into a global entertainment company. The Guillemot family has remained closely linked to Ubisoft throughout its history, even as the publisher expanded into a much larger public company.
| Ubisoft Milestone | Significance |
|---|---|
| 1986 | Ubisoft founded by the Guillemot brothers |
| Early years | Company operated in game and technology distribution |
| 1995 | Rayman helped establish Ubisoft as a major developer and publisher |
| 2007 | Assassin’s Creed became one of Ubisoft’s defining franchises |
| 2026 | Ubisoft remains one of the largest game publishers worldwide |
Ubisoft Shares Condolences Following the Crash
Ubisoft said it was deeply saddened by Guillemot’s death and extended its thoughts to his family and loved ones. The company did not provide further details about the accident.
Reports indicate the crash happened near La Baule on France’s Atlantic coast. Authorities are investigating the circumstances surrounding the incident.

Claude Guillemot’s death comes at a difficult time for Ubisoft, which has faced major business pressure, shifting development plans, and questions around its wider strategy. Even so, his place in the company’s history is clear.
He was one of the people who helped create a publisher that grew from a family business into the home of some of gaming’s most recognizable series. For many players, Ubisoft is tied to decades of games that shaped different generations, from Rayman and Prince of Persia to Assassin’s Creed and Rainbow Six.
Claude Guillemot may not have been as publicly visible as some industry leaders, but his work helped build one of the most influential companies in modern gaming.



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