Stefan holds a M.Sc. in Mechanical Engineering from Chalmers university of technology in Gothenburg. He works as management consultant and senior advisor. Stefan has a background from radar electronics and marine propulsion industry and has held various managerial positions in purchasing, production and R&D. Stefan was the COO and the vice CEO at Berg Propulsion group, a leading supplier of marine propeller systems for the industrial and merchant shipping industry until 2013 when the company was acquired by Caterpillar Inc.