The new Chairman of the Board at the Institute for Heat and Oil Technology (IWO), Hamburg, is Jörg Debus, Head of the Heating Oil and Fuel Department of Shell Deutschland Oil GmbH in Hamburg. He succeeds Stefan Brok, who left his post of Chairman of the Board at Aral AG in Bochum at the end of 2015, thereby giving up his place on the Board at the IWO.