ZHANG Zhang-Jin is a Tenured Professor and Associate Director of School of Chinese Medicine, Honorary Professor of Psychiatry, Family Medicine and Primary Care and Anatomy in the University of Hong Kong (HKU). He serves Vice-President of the Hong Kong Association for Integration of Chinese-Western Medicine, Deputy Director of Specialty Committee of Mental Diseases of World Federation of Chinese Medicine Societies (WFCMS), and Deputy Director of Sleep Medicine Specialty Committee of WFCMS. He received his Chinese medicine, acupuncture and Western medicine training and earned his Ph.D. in neuroscience in China. During 1994-2006, he moved to USA to continue his research work in psychopharmacology and psychiatry at Vanderbilt University and then Uniformed Services University of the Health Sciences (USUHS). His long-term research interest has focused on seeking novel psychotropic agents and developing effective treatment strategies from acupuncture and herbal medicine for neurological and psychiatric disorders, including pain, anxiety, mood disorders, dementia and schizophrenia. He is also interested in investigating neural mechanisms of acupuncture. Professor Zhang has directed numerous clinical studies. He has authored over 110 original papers, reviews and book chapters.