Co-I: Impact of Emergency Department Waiting Time Announcements on Patient Behavior Eric Park, Sik Hon Matthew Tsui, Siu Chung Leung, Jingqi Wang, Huiyin Ouyang Sep 10, 2020 Huiyin Ouyang Assistant Professor of Operations Management My research interests include stochastic modeling and analysis of service systems, healthcare operations, simulation analytics, and data-driven decision making.