Marc Hostert (born 18 July 1965) is an official of the Government of Luxembourg who is working at the European Court of Auditors.
Hostert's other professional activities include the development of the www.eco.lu portal, through which he held the following positions: Since 2000, Hostert has appeared on approximately 100 episodes of the RTL the TV broadcast Kapital on which he has interviewed politicians and national and international business people and economists.
He is a regular contributor to the RTL Radio show Carte Blanche in which he offers his personal views on current topics.
Since 2010, Marc has been one of the judges of the RTL television show Success Story in which potential entrepreneurs seek support for their business ideas.
The title of his PHD thesis was: Strategy for the internationalisation of a small open mature economy (SOME) : the case of Luxembourg : key elements, challenges and levers.