Ding Hui: President of BJAST, research and doctor mentor, graduated from Tsinghua University with a Master’s Degree of Security Technology and Engineering. Vice-director of China Association for Instrumental Analysis, executive director of China Occupational Safety and Health Association, expert entitled to the Special Allowance by the State Council, member of experts group on work safety theory of State Administration of Work Safety, Specially-employed professor of Beijing University of Chemical Technology and Capital University of Economics and Business, won “People-to-People program certificate” twice issued by People-to-People Association of America, twice the judges of Robert-Campbell Awards set by National Security Council of America.