Ubisoft Co-Founder Claude Guillemot Dies in Private Plane Crash in France

Claude Guillemot, one of the five brothers who founded the global video game publisher Ubisoft, died Friday when the private plane he was piloting crashed near an airport on France’s Atlantic coast.

The 69-year-old businessman was at the controls of his Cessna 421 twin-engine aircraft when it went down in a field near the hamlet of La Bosse, just short of the runway at La Baule-Escoublac aerodrome in the Loire-Atlantique region of western France. Witnesses reported that the plane made a sudden steep turn during its final approach before striking the ground and igniting a fire that burned approximately 500 square meters of an adjacent field. A second person on board, identified as a flight instructor from Rennes, also died in the crash.

Guillemot had departed from Rennes around 5:20 p.m. local time on a short flight to La Baule, where he maintained a vacation home and was an active member of the local flying club. He was traveling to attend a weekend gathering of aviation enthusiasts expected to feature more than 100 light aircraft. French authorities, including investigators from the Bureau d’Enquêtes et d’Analyses for Civil Aviation Safety, responded immediately and have begun reconstructing the sequence of events. A K-9 unit confirmed no additional passengers were aboard.

Guillemot was one of five brothers, sons of a Brittany family that originally ran a grocery and agricultural products business. The brothers, including Yves (current CEO of Ubisoft), Michel (associated with Gameloft), Gérard, and Christian, expanded the family enterprise into technology and entertainment. In 1986 they formally founded Ubisoft, which grew from a small French operation into one of the world’s largest video game publishers, known for major franchises such as Assassin’s Creed, Far Cry, Rayman, and Tom Clancy’s Rainbow Six Siege. Claude held senior operational roles at Ubisoft over the years and served as chairman and chief executive of the family’s separate hardware company, Guillemot Corporation, which produces flight simulation peripherals under the Thrustmaster brand and audio products under Hercules.

His professional contributions extended beyond game publishing. Colleagues and industry observers credit the Guillemot family’s hands-on approach with helping transform a regional business into a global entertainment powerhouse that employed thousands and shaped the childhoods of millions of players worldwide. Claude was particularly involved in operational leadership and technology development during Ubisoft’s expansion. He also served on the board of directors at Ubisoft and held the position of president of the Guillemot Foundation.

The family has deep roots in French business. The five brothers grew up helping their parents with sales, distribution, accounting, and management before pursuing formal education. Their collective decision to enter the emerging computer and video game market in the mid-1980s laid the foundation for what became a multibillion-dollar company. While Yves Guillemot has long served as the public face and CEO of Ubisoft, Claude focused more on internal operations and the parallel hardware business through Guillemot Corporation.

Ubisoft released a statement expressing profound sadness over the loss of its cofounder and chairman of Guillemot Corporation. The company extended its thoughts to Guillemot’s family and loved ones during this difficult time and indicated it would make no further public statements at this stage. The family was notified of the accident Friday evening. No public statements from immediate family members have been released as of Saturday afternoon.

Public reaction across the gaming community has been one of widespread condolences and tributes to Guillemot’s foundational role in the industry. Many fans and professionals highlighted how games developed under the Ubisoft banner, built in part through the brothers’ vision, became cultural touchstones for generations. Some noted the contrast between Guillemot’s professional success in digital entertainment and his personal passion for traditional aviation, which ultimately led to the fatal flight.

The investigation into the crash remains active. Authorities have not yet released a preliminary cause, and details such as weather conditions, mechanical status of the aircraft, or other factors are still under review. The Cessna 421 is a vintage twin-engine model whose production ended in the late 1980s; it is known among pilots for requiring experienced handling. Guillemot was described by those familiar with him as a dedicated and experienced private pilot.

This is a developing story. Hype Fresh will continue to update as new verified information becomes available from official sources.

Related reading:
• Learn more about Ubisoft and its history.
• Background on the founding of Ubisoft and the Guillemot brothers.
• Technical details on the Cessna 421 aircraft model.