Prof. Risto Kosonen is currently a professor at Aalto University. Kosonen, D.Sc., has more than 30 years of experience in the field of building services engineering. The field of his professorship is HVAC technology, where the focus areas of teaching and research are the indoor climate, intelligent building technology systems in buildings, and energy technology in buildings. Kosonen is a Distinguished Professor at Nanjing Tech University and Visiting Professor at Chongqing University and Xian University of Architectural and Technology in China. Kosonen is the Chairman of the federation of Nordic SCANVAC HVAC association, the Vice-Chairman of the Finnish SULVI Association, and the Chairman of the Board of the Finnish Indoor Air Association.