Prof. dr. ir. Atze Boerstra is managing director of bba binnenmilieu, a consultancy company that specializes in indoor air quality and thermal comfort. Since March 2021 he also is Chair of Building Services Innovation at the faculty Architecture and the Built Environment of the Delft University of Technology. Atze is vice-president of REHVA (the Federation of European Heating, Ventilation and Air Conditioning Associations). In May 2022 he will act as president of the international congress CLIMA 2022, which will be held in Rotterdam (NL). In 2015/2016 he was guest researcher at CTSB Paris and involved e.g. in the evaluation of the French data that were gathered in relation to the EU OFFICAIR project. He is specialist in healthy building, building installation optimization and HVAC system design and operation. He has extensive experience with the investigation of indoor climate problems in buildings and is regularly involved as a consultant in new construction and renovation projects that aim to create an above average healthy & productivity-enhancing indoor environment. He also regularly is involved in the development of new standards and guidelines. Furthermore, he publishes regularly in both professional and scientific journals. Atze studied mechanical engineering at Delft University of Technology and he received a Master Degrees there at the climate control department. At a later age he obtained his PhD at the Faculty of Architecture of Eindhoven University of Technology (subject: 'Personal Control over Indoor Climate in Offices'). Before setting up bba indoor environment in 1996, he worked for the occupational health and safety service of the Dutch government (based in The Hague) and for Hal Levin & Associates (Santa Cruz, California).