Dr. Ruoyu You received her B.Eng. degree from the Department of Building Science at Tsinghua University in 2013. She received her Ph.D. degree from the School of Mechanical Engineering at Purdue University in 2018. Dr. You joined the Department of Building Services Engineering at the Hong Kong Polytechnic University as an Assistant Professor in September, 2018. Her research interests include air quality in enclosed environments, computational fluid dynamics, contaminant transport, and laser-based sensors for indoor air quality.