Xiaolei Xie received the B.S. degree in mechanical engineering from Beijing University of Aeronautics and Astronautics, Beijing, China, in 2008, the M.S.E. degree in industrial and operations engineering from the University of Michigan, Ann Arbor, MI, USA, in 2009, and the Ph.D. degree from the Department of Industrial and Systems Engineering, University of Wisconsin, Madison, WI, USA, in 2014. He is an Associate Professor with the Department of Industrial Engineering, Tsinghua University, Beijing, China. His research interests are in stochastic modeling, optimization, and advanced data analytics in healthcare systems. Dr. Xie is a member of the IEEE Robotics and Automation Society (IEEE RAS), the Institute for Operations Research and the Management Sciences (INFORMS), and the Institute of Industrial and Systems Engineers (IISE).