Prof. Dr. Yanjing Chen received his B.Sc. (1984), M.Sc. (1987), and Ph.D. (1990) from Nanjing University (China). From March 1995 to August 2006, he worked as an associate professor at Peking University (Key Laboratory of Orogeny and Crustal Evolution, Department of Geology, School of Earth and Space Sciences) and was promoted to professor in September 2006. Research fields include economic geology, fluid inclusion, geochemistry, Precambrian geology, ore exploration, continental collision orogeny, and the 2300-Ma environment catastrophe and its associated mineralization explosion event. He has published over 200 research papers and several books, such as “Gold Mineralization in Western Henan” (Chinese Seismological Press, 1992, in Chinese).