Marek Lehmann is a graduate in Business Management.

After graduating, Marek Lehmann began his employment as controller at an international events firm. In 2005 he took over responsibility for the commercial side of the business.
Additionally, he assumed leadership of several large international projects such as the 2006 Asian Games in Qatar.

In 2007 he and a partner founded a company specializing in software development and IT consultancy, for which he has joint managerial responsibility.

Since 2007 Marek Lehmann has also served as teaching representative at the faculty for economic sciences at the University of Bielefeld, specializing in events management.