Bonnie Halpern-Felsher
Professor of Adolescent Medicine
- Stanford

Bonnie Halpern-Felsher is a developmental psychologist whose research has focused on cognitive and psychosocial factors involved in adolescents’ and young adults’ health-related decision-making, perceptions of risk and vulnerability, health communication, and risk behavior. Her research has focused on understanding and reducing health risk behaviors such as tobacco use, alcohol and marijuana use, risky driving, and risky sexual behavior. Her research has been instrumental in changing how providers discuss sexual risk with adolescents and has influenced national policies regulating adolescent and young adult tobacco use. As part of the Tobacco Center’s of Regulatory Science (TCORS), she is the PI on an NIH/NCI and FDA-funded longitudinal study examining adolescents’ and young adults’ perceptions regarding as well as initiation, continuation, and cessation of current and new tobacco products, including e-cigarettes and smokeless tobacco. Dr. Halpern-Felsher is also the founder and director of the Tobacco Prevention Toolkit, an online curricular aimed at reducing and preventing youth tobacco use.