DaimlerChrysler Aerospace
Until 2013 Henkel was a member of the Supervisory Board of Bayer AG, Continental AG, DaimlerChrysler Aerospace, Ringier AG and other companies. He resigned from these positions to join the Alternative for Germany in 2014, which he left again in 2015. Since November 2000 he is a Professor of International Management at the University of Mannheim.