Dr. Hejun Yang is currently an assistant professor in the School of Electrical Engineering and Automation, Hefei University of Technology, China. He received the Ph.D. degree in Electrical Engineering from Chongqing University, Chongqing, China. He is the author of more than 20 academic papers in Journals or Conference proceedings. His main research interests focus on areas of power system reliability, demand response, integration energy system, and wind farm layout optimization.