Concerning volunteer activities, Xavier has been elected President of French Scrum User Group, in 2010, and co-founded the French Agile Institut. Xavier created and led organization of the ScrumDay France since 2011. Xavier was a co-chair of the Scrum Gathering 2013 held in Paris and organized by the Scrum Alliance. Xavier co-founded the French Gamestorming User Group to promote facilitation technics to innovate and manage.
Xavier published several papers on complex system design and on Agile/Scrum (Agile2008 Toronto., AgileTour, ScrumDay France, Domain-Driven Day, System-Level Design Languages Conf, VIUF, VUFE).
Xavier is also a certified CSP®, CSP®, PSM® I, PSPO® I, Innovation Games® Qualified Instructor.