Per Heiselberg is the expert of buildings in the Danish Council on Climate Change. Since 2010, he has been Professor at Aalborg University. Before this, he was guest professor at Tokyo Polytechnic University in Japan and at Chongqing Universty in China. Per Heiselberg’s research focus on energy efficiency and consumption of energy in buildings, both in Denmark and international in the context of IEA. Furthermore, he was a member of the Commission on Energy (2016-2017) and is today a member of the Energy Board of Appeal.