 Since 2004, Gehrmann has been working at the Steinbeis University Berlin.He is active as the director of the institutes “Global Consulting and Government” and “Renewable Energy, Technology and Management”.The major focus of the consulting activities in 2011 till 2012 was the consultation of several Ministries and state authorities in Kazakhstan, for instance MINT (Ministry of Industry and New Technologies) and NATD (National Agency for Technological Development).