Jan Marco Leimeister (born April 7, 1974) is a German university professor for business information systems from Bietigheim-Bissingen. He is tenured professor of business information systems and director at the Institute of Information Management (IWI HSG).[1] at the University of St. Gallen as well as head of the Department of Information Systems and director at the Research Center for Information System Design (ITeG)[2] at the University of Kassel.