Research notes
An Endurance-Info report states that Racing Spirit of Léman was founded in 2019 by Patrick Barbier, his daughter Herminie (team manager), and Guillaume Gibert (responsable technique);
a 2026 local report also describes Herminie Barbier as Racing Spirit of Léman's directrice générale. Herminie Barbier is a member of the Barbier family's management team at Racing Spirit of Léman. An official FFSA GT article ties the Barbier family to Racing Spirit of Léman, and a public summary in which Guillaume Gibert also mentions co-founding/running the team with Patrick and Herminie Barbier. The official FFSA GT article ties the Barbier family background to Racing Spirit of Léman. A public summary in which Guillaume Gibert describes cooperating with/co-founding Racing Spirit of Léman alongside Patrick Barbier and Herminie Barbier serves as management corroboration. The 24h-en-piste 2025 Le Mans #10 entry provides current context for Racing Spirit of Léman's Le Mans LMGT3 programme.