Henning holds a degree as Environmental Engineer (Diplomingenieur, Dipl.-Ing.) and is engaged in various fields of maritime environmental protection since the year 2000. He is an internationally recognized expert for all aspects of green ship recycling and has established GSR Services GmbH (Green Ship Recycling Services) for supporting all stakeholders for their cost effective preparation and fulfilment of Hong Kong Convention and EU-Regulation on Ship Recycling. In addition he´s guest professor at the World Maritime University (WMU).