Jörn Oldenburg is the Managing Director of the investment consulting Oldenburg Sachwerte GmbH and a representative for Jamestown Immobilien GmbH, the German market leader for US real estate investments. As a Management Consultant, Supervisory Board and Advisory Board, the graduate in business administration and finance economics (ebs) also supports various companies in the real estate, shipping and logistics industries, among others. Reederei Claus-Peter Offen, E.R. Shipping, MPC Münchmeyer Petersen. As a lecturer, he also works for the University of Fresenius in addition to HSBA.