He was born in Beijing, China. He received B.S. degree in Astronomy from Nanjing University, Nanjing, China and M.S. degree in Astrophysics from Chinese Academy of Sciences, Beijing, China. He obtained his M.S. degree in Computer Science and Ph.D. degree in Medical Physics (2007) from University of Wisconsin-Madison, Madison, WI, USA. Before joining Yale, he completed his postdoctoral fellowship at Department of Radiation Oncology, Stanford University, Stanford, CA, USA. Education & Training