Dr. ZHANG has his PhD in Helsinki University medical school, Finland, received postdoctoral training in Biomedical Center in Uppsala University, Sweden. His research focus on structure study and manufacture skills of human recombinant protein. He has worked as Board certified clinical Chemist in Cleveland Clinic, USA, and surgical physician in Suzhou municipal Hospital, Suzhou, PRC. Since He return to China ten years ago, He has been granted a title of “Hundred Talents Program” in Hunan Province and “dual-creation talents”in Jiangsu Province。