Guillaume has been building and managing companies in the video games industry for 10 years. He spent the first 8 years of his gaming career working for CD Projekt, the Warsaw-based games developer and distributor; where he first ran and grew www.gog.com (“Good Old Games”), the second biggest independent digital distribution platform worldwide. In 2014, Guillaume then established the Los Angeles office of CD Projekt, few months before the launch of their acclaimed RPG title, “The Witcher 3”.
Back in early 2016, Guillaume then joined Riot Games to help them develop their European footprint by establishing a publishing office in Paris as General Manager. Developing a national e-sports scene, making League of Legends a game for generations to come; and launching someday Riot’s future new games; are the 3 key objectives of Riot Games in France.