Jun Zhang, MD, PhD, is K. C. Wong Chair Professor at the Shanghai Jiao Tong University, Shanghai, China and the Director, Ministry of Education and Shanghai Key Laboratory of Children’s Environmental Health at Xinhua Hospital, Shanghai Jiao Tong University School of Medicine. Prior to the current position, he was a tenured Senior Investigator at the National Institutes of Health, U.S.A. His research areas include reproductive and perinatal epidemiology, early life environmental exposure and maternal and child health.