Demosthenis Mpoumis has been the CEO of Attica (Attica Department Stores) since March 2022. He has worked in large multinational companies such as L’Oreal and Citibank / Diners Club, where he held the position of General Manager of cards. In 2012, in collaboration with attica, he created the company Cosmobrands, which was active in the wholesale and retail of cosmetics, while at the same time he created the e-shop attica beauty. He, then became Deputy CEO at attica. He is a graduate of the Department of Economics of the Athens University of Economics and Business and holds an MBA from the Manchester Business School.