Guillaume de Fondaumière (28 June 1971, Marseille, France) is a video game executive.
He created his first company at the age of 16, C. de C. Promotion, specializing in the organization of clubbings, fashion shows and live concerts. After obtaining the French Baccalaureate at the Lycée Français de Vienne in Austria in 1990 (he is fluent in French, German and English), he studied Management and Marketing at the European Business School Paris. He graduated in 1994.
In 1993, he and an old schoolmate, Stephen Carriere, met architects Matjaz Pozlep and Diego Zanco while on a traineeship. They co-founded Arxel Tribe, a 3D graphics studio.
In 1996, Arxel Tribe joined the Brazilian author Paulo Coelho and star designer Moebius to create the video game Pilgrim. The following year, Pilgrim was published by Infogrames Entertainment (now Atari). In 1998, Arxel Tribe developed a new game, Ring, adapted from Richard Wagner's opera Der Ring des Nibelungen. The game won a number of international awards and sold in excess of 500,000 copies.
In 2000, de Fondaumière became the President, and Chief Executive of Arxel Tribe Group. In 2001, the company was sold for over €15 million to CTO S.P.A., Italy's leading video game distributor. De Fondaumière continued to supervise all publishing activities of the group, in addition to controlling all matters concerning the acquisition of book and film licenses for video game adaptations. He resigned in March 2003.
In December 2003, de Fondaumière joined the video game development company Quantic Dream as Chief Operating Officer. He currently is co-CEO with David Cage, the founder and creative figure of Quantic Dream, CFO and executive producer (Fahrenheit, Heavy Rain, Beyond: Two Souls).