Arne held several senior roles with British Airways (mainly Sales & Marketing as well as Strategy & Development) and Siemens (CEO of one of their larger Service division with global scope as well as M&A). He had responsibilities for revenue budgets in exchange of EU1bn and full operational P&L responsibility. In addition, he was as President Sales & Marketing responsible for the largest change program at the leader of fairs & exhibition, Messe Frankfurt. Arne has held various supervisory board roles, i.e. in Germany, Australia & Spain.