He is also a joint researcher at the Center for Crisis Management Research, Tsinghua University. His research interests are disaster recovery and sustainable development, multi-organizational cooperation in emergency management, risk perception and decision making, institutional disaster preparedness, and disaster education. Dr.Han has published a number of papers on Natural Hazards, Risk, and Hazards & Crisis in Public Policy in the International Journal of Disaster Risk Science, China Emergency Management Journal, Journal of Risk, and the Disaster & Crisis Research.