Carla J. Berg, PhD, MBA, LP is a Professor in the Department of Prevention and Community Health in the Milken Institute School of Public Health and the Associate Center Director for Population Sciences and Policy within the George Washington Cancer Center. She received her Ph.D. in clinical health psychology from the University of Kansas, completed her residency training at Massachusetts General Hospital/Harvard Medical School in behavioral medicine, and then completed her postdoctoral training at the University of Minnesota in the Department of Medicine. She also completed her MBA at Emory University in 2017. She was faculty at Emory from 2009 to 2019, transitioning to George Washington University in the Summer of 2019. Her research primarily focuses on sociocontextual factors related to substance use, particularly tobacco and marijuana, ranging from macro-level factors such as policy and marketing to interpersonal and individual factors (e.g., psychological, biological). She has also conducted research regarding health behaviors and quality of life among cancer survivors. Methodologically, she has conducted large-scale survey studies involving both cross-sectional and longitudinal designs, mixed-methods studies, and individual- and community-level randomized controlled trials.