Claude Guillemot, 69, a co founder of Ubisoft and chairman of Guillemot Corporation, died on June 19, 2026, when the twin engine Cessna 421 he was piloting crashed and burst into flames near La Baule, France. Guillemot co founded Ubisoft in 1986 with his four brothers and served as Chairman and CEO of Guillemot Corp...

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Claude Guillemot, one of the five brothers who founded Ubisoft in 1986, was killed on Friday, June 19, 2026, at age 69 when the twin-engine Cessna 421 he was piloting crashed and burst into flames near La Baule-Escoublac in western France . A flight instructor on board also died
. Ubisoft confirmed his death on June 20
.
Guillemot was Chairman and CEO of Guillemot Corporation (the family's hardware business behind the Thrustmaster and Hercules brands) and served on Ubisoft's board of directors as Executive Vice President of Operations at the time of his death . He was the eldest brother and the family member most tied to the hardware side of the business
.
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Claude Guillemot, 69, a co founder of Ubisoft and chairman of Guillemot Corporation, died on June 19, 2026, when the twin engine Cessna 421 he was piloting crashed and burst into flames near La Baule, France.
Claude Guillemot, 69, a co founder of Ubisoft and chairman of Guillemot Corporation, died on June 19, 2026, when the twin engine Cessna 421 he was piloting crashed and burst into flames near La Baule, France. Guillemot co founded Ubisoft in 1986 with his four brothers and served as Chairman and CEO of Guillemot Corporation (Thrustmaster, Hercules) and on Ubisoft's board.
The tragedy deepens an existential crisis at Ubisoft: French unions have demanded Yves Guillemot resign, employees have staged strikes, and the company is executing a €200 million cost cutting plan after reporting a €...