 After Germany’s reunification, Gehrmann accepted a chair at the Bauhaus University in Weimar from 1990 till 1996.At the same time, he was a consultant to Germany’s “Privatisation Agency” (Treuhandanstalt).From 1996 to 1998, he worked on a 2-years-stay in a task-force in the Federal Ministries of “Interior” and “Labour” for a special function in long-term economic affairs.