Business Administration – University of Cologne/ FOM Essen

Change Management – Reussier Le Changement – Essec Business School

ADR – CHAMBER of Commerce Bonn/Rhine-Sieg

Intercultural competence

Game Theory – Standford

HR Management in France

Marketing Research – FOM Duisburg

Producing of Feed – DIL German Institute of Food Technology

Economic Ethics – FOM Cologne

Restructuring – IOM Essen