David Margueritte is a Lawyer in Public Law and Trainer. 2nd Vice-President, in charge of apprenticeship and vocational training, he is also President of the Employment, Training and Apprenticeship Commission at Regions de France association. Elected councilor and community councilor of Cherbourg-en-Cotentin since 2014, he is since 2017, Vice-President of the Community of Agglomeration of Cotentin, in charge of higher education and research.