David Leys holds his Master in Law cum laude from Université catholique de Louvain, his Master of European Law (LL.M.) cum laude from College of Europe in Bruges and his Master of Laws (LL.M.) from Columbia Law School in New York City.
He is a member of the Brussels Bar since 2014 where he is mostly active in commercial, corporate and privacy law. He is also a teaching and research assistant in economic law at CRIDES at Université catholique de Louvain and a visiting professor in economic and international law at Haute Ecole Francisco Ferrer in Brussels.
David Leys speaks French, Dutch and English.