Dr. Gao is a professor of psychiatry at Case Western Reserve University School of Medicine. He is the Director of the Mood Disorder Program, Ketamine for Depression Clinic, and TMS Clinic, and the Medical Director of ECT in the Department of Psychiatry of the University Hospitals Cleveland Medical Center. His research focuses on phenomenology and treatment of bipolar disorder. He has participated in more than 30 federal, foundation, and pharmaceutical company-funded studies at PI, co-PI, and co-I. He has authored and co-authored more than 140 peer-reviewed articles and 17 book chapters. He has reviewed manuscripts for 83 journals, including the New England Journal of Medicine.