Prof. Dr. Lee Smith is an epidemiologist with expertise in physical activity and sedentary behavior. At present, He is leading the COVID-19 research group for ARU. He researches ways in which we can increase levels of physical activity and reduce sedentary behavior across the lifespan and within special populations. He has led research grants and published extensively in this area. He is a member of the Cambridge Centre for Sport and Exercise Sciences (CCSES). He has published more than 870 papers, with more than 21000 citations. His research interests include physical activity promotion, sedentary behavior reduction, the relationship between physical activity and health, the relationship between sedentary behavior and health, and the role of physical activity in cancer survivorship.