Professor Øystein Ulleberg is Chief Scientist at the Institute for Energy Technology, Norway. He is Associate Professor at Department of Technology Systems, University of Oslo. His main area of research is on renewable energy and hydrogen systems, including zero emission transport systems using battery and fuel cell technology. He has been responsible for establishing hydrogen research laboratories at IFE in Norway and at University of Western Cape in South Africa, and has been involved in several renewable hydrogen energy system projects with industrial partners.