Dian Gu is a postdoctoral fellow at Center for Tobacco Control Research and Education (CTCRE), UCSF. She received her PhD in Health Economics/Health Services Research from the University of Texas Health Science Center at Houston. Along with her PhD study, she was a PhD trainee in MD Anderson Cancer Center. In that role, she gained experience in applying health economics to cancer research, collaborating on manuscripts with clinicians on multiple projects concerned with cancer patients’ healthcare utilization, expenditures, and health outcomes. After finishing her PhD, she joined the Institute for Health & Aging at UCSF. In the work there, she mainly performed data analyses and collaborated on manuscripts with professors on a wide range of tobacco economics research projects. During the fellowship at CTCRE, Dian is interested in 1) Estimating negative consequences of tobacco and substance use among different vulnerable populations; 2) Identifying groups that need more effective tobacco cessation interventions; 3) Evaluating tobacco control policies and interventions on vulnerable populations.