Marios Papakonstantinou has a Master’s degree in Hospitality and Tourism Management from the Hellenic Mediterranean University of Crete and a Master’s degree in Finance from Alba Graduate Business School. He has graduated from the department of Business Planning & Information Systems of ATEI Patras and is also a graduate of the Le Monde School of the department Hotel Management.

In 2007 he worked at Mercedes Benz Hellas as a Compliance Assistant and in 2008 he worked as an external partner in the accounting department of Procter & Gamble Hellas.

From 2010 until today he works in the hotel industry and especially in the Front Office Department. He has worked as an executive in luxury hotels and large Greek and foreign hotel chains such as Marriott International, Aldemar Resorts, Astir Odysseus Resort & Spa, Fodele Beach & Waterpark Resort and Athenaeum Palace & Luxury Suites.