Dr He is an Associate Professor of the Department of Applied Mathematics at The Hong Kong Polytechnic University. He earned a Ph.D. in Engineering from Xi’an Jiaotong University in 1999 and a Ph.D. in Mathematics from McMaster University in Canada in 2006. He also did post-doctoral research in Beijing Normal University (China), University of Michigan (USA), and Tel Aviv University (Israel). His main research interests are infectious disease modelling and statistical analysis of medical data. More than 140 papers have been published in journals such as PNAS, Science Advances, Annals of Internal Medicine, European Respiratory Journal, Journal of the Royal Society Interface. According to Stanford University report, Dr He is among top 2% scientists in 2021 and 2022.