Serial entrepreneur, father of four, Quentin is the founder and president of Greenback, the first global soil health rating agency. In 2007, Quentin co-founded and became CEO of Devialet, a high-tech music company with groundbreaking technologies and over 250 patents. He left Devialet in 2018 to found Greenback. He is also the founder in 1997 of Mandragore, a strategy consulting firm very active in the field of agribusiness and new technologies. As a student, Quentin developed a finance software and created his first company to deploy the Mac among architects and creative-related professions. Quentin holds a master's degree in telecom and media management from the University of Paris-Dauphine.