Stefan Kölbl is chairman of German firm DEKRA SE, which includes DEKRA Personnel, the temporary work and training and education division of the company that posted revenue of €520.9 million in 2016. Kölbl joined DEKRA in 2000 after working as a management consultant. He became chairman in 2010. Kölbl was appointed managing director of the economically ailing DEKRA Akademie in 2003. Within two years, Kölbl succeeded in turning around what is today’s largest private training service provider in Germany. He was then assigned to DEKRA’s automotive services unit in 2006.