Tingting Liu was a postdoctoral researcher at the National Institute on Drug Abuse (NIDA) in the National Institutes of Health (NIH) 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. She integrates novel interdisciplinary approaches from psychology, neuroscience, and data science to further our understanding of how social relationships’ structure, function, and quality impact risk-taking, affective disorders, and substance use. Dr. Liu is also a fellow at the Center on Compulsive Behaviors at the NIH. Dr. Liu received her Ph.D. in psychology from the University of Michigan in 2020.