Tingting Liu is a Research Scientist at the National Institute on Drug Abuse (NIDA/NIH). She was previously a postdoctoral researcher at NIDA and the World Well-Being Project in the Positive Psychology Center at the University of Pennsylvania. Her research focuses on social relationships in the context of risk-taking and mental health, integrating approaches from psychology, neuroscience, and data science to understand how social relationships impact affective disorders and substance use. Dr. Liu received her Ph.D. in Psychology from the University of Michigan in 2020 and is a fellow at the NIH Center on Compulsive Behaviors.