Director of the Institute of airport planning and operation management, doctor of management (Aviation Management), doctoral supervisor of aviation management, flexible talents in Qingdao Jiaodong Airport Economic Demonstration Zone, visiting professor of Sejong University, member of the international society of civil aviation cooperation between China, Japan and South Korea, and researcher of the Institute of aviation policy. The main research direction is air transportation management, hosting or participating in more than 10 teaching and scientific research projects; As the first or corresponding author, he published several papers and 2 academic monographs in the Journal of air transport management (SSCI), one of the world's top journals in the field of air transport management; Judge of Journal of Aerospace Engineering and Mechanics (SCI) and research in transportation business & Management (SSCI).