Professor De Cheng Zhang serves as Director of Research & Development at the Shanghai Representative Office of Pharmanex, Inc. He is responsible for the research and development of new products in Shanghai. He graduated from Shanghai Medical University and lectured in School of Pharmacy, Shanghai Medical Universities.

Professor Zhang is an expert in interpretation of organic compound spectra and phytochemistry. During 1984-1994, he worked for University of North Carolina and Kobe-Gakuin University Japan as a visiting scholar, and was a consultant of Rhone-Poulenc Rerer Central Research, USA.

Professor Zhang was also the Vice-Chairman of the Association of Medicinal Chemistry and Natural Products and the council member of Chinese Pharmaceutical Society in China. He has authored over 30 papers.