Jon HandJon Hand (PhD) was employed as a senior research fellow in the Energy Systems Research Unit at the University of Strathclyde, UK, from 1989 to 2023, where he served as an engineering consultant, software developer and PassivHaus trainer. He is a majo contributor to the user interface aspects of the ESP-r building simulation suite of programs. His publications have more than 3200 citations (Research Gate) and he is a prolific reviewer. Read More Read Less