Dr. Sung is Professor of Health Economics at the Institute for Health & Aging at UCSF. Her tobacco-related research areas focus on 1) estimating the healthcare costs of cigarette smoking, other tobacco use, and secondhand smoke exposure; 2) economic evaluation of tobacco taxation, other tobacco control policies, and smoking cessation intervention programs; 3) economic impact of smoking on vulnerable populations such as African Americans, Hispanics, low-income people, and persons with mental illness; and 4) global health economics of tobacco use. Dr.