Ubisoft Co-Founder Claude Guillemot Dies in Plane Crash, Investigation Launched
June 20, 2026
Guillemot helped shape Ubisoft as Executive Vice President for operations and later led Guillemot Corporation, which owns Hercules and Thrustmaster brands and holds the family stake in Ubisoft.
Authorities urge the public to await verified information as investigators proceed with the case amid ongoing media attention.
Ubisoft’s ambitions extend beyond games, reflecting the company’s broader media and entertainment strategy.
Reports from Ouest-France and Kotaku contextualize Guillemot’s family leadership in Ubisoft and related businesses.
Guillemot’s influence underscores France’s prominence in game development and the European gaming landscape.
Additional crash details are pending, with credible outlets reporting on the incident as investigations continue.
The Guillemot brothers began Guillemot Informatique, a mail-order venture that imported software and hardware to reduce costs, laying the groundwork for Ubisoft.
A prominent figure in gaming, Claude Guillemot, co-founder of Ubisoft and longtime head of Guillemot Corporation, has died at age 69 in a plane crash in La Baule, western France.
The crash involved a Cessna 421 that departed Rennes in the late afternoon en route to La Baule for a gathering of more than a hundred aircraft.
Ubisoft has faced market challenges, with a long decline in share value since 2018 and a current market cap around $741 million, even as it presses ahead with new releases.
A Saint-Nazaire prosecutor’s office has opened an inquiry into involuntary manslaughter related to the crash, with details not yet disclosed.
The Guillemot family built their business from importing CDs and distributing them in France, a move that helped fuel Ubisoft’s rise and shaped its broader distribution network.
Summary based on 22 sources
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Sources

Deadline • Jun 20, 2026
Ubisoft Co-Founder Claude Guillemot Dies In Plane Crash
Kotaku • Jun 20, 2026
Ubisoft Co-Founder Claude Guillemot Dies In Plane Crash
Forbes • Jun 20, 2026
Ubisoft Co-Founder Claude Guillemot Dead After Plane Crash In France
Rolling Out • Jun 20, 2026
Claude Guillemot death shakes Ubisoft's founding family