Research notes
An Endurance-Info report clearly states that Sébastien Breuil serves as Director of Operations for DUQUEINE Team and as lead engineer for the #30 Oreca 07 LMP2 programme. DUQUEINE Team's official members page confirms his name;
RocketReach's DUQUEINE Team management page provides a public photo with name-tagged alt text, which has been downloaded and visually confirmed. A public LinkedIn summary shows Sébastien Breuil has served as DUQUEINE Team COO and Duqueine Automotive Technical Leader since January 2025;
Duqueine's official page confirms the team competes in the LMP2 class of the ELMS and Le Mans.