Dr. Alex C. Liber

Public Health Researcher

Center for Innovation in Health Policy & Practice, RTI International

Biography

Dr Alex C. Liber, specializes in the analysis of retail scanner data to track tobacco market dynamics and policy impact and designs and implements rigorous policy evaluation methodologies. He also conducts systematic evidence synthesis to inform regulatory decision-making and models tobacco policy impacts on consumer behavior and industry response. Dr. Liber is an expert in comparative analysis of regulatory frameworks across international context. He assesses quantitative market substitution effects following policy implementation. At RTI, Dr. Liber leads projects that leverage scanner sales data for tobacco market surveillance and policy evaluations, as well as provide critical intelligence for state and federal regulatory decisions. His work includes systematic reviews of tobacco policy interventions and development of evaluation methodologies that track the real-world impacts of tobacco regulations. Dr. Liber’s comparative analysis of international tobacco control policies provides insights for effective domestic regulatory approaches. Prior to joining RTI, Dr. Liber served as Assistant Professor at Georgetown University (2020-2023) and Senior Scientist at the American Cancer Society (2011-2020). He developed the “regulatory stances” framework for analyzing commercial determinants of health and has extensively studied policy impacts on tobacco markets worldwide. Dr. Liber has contributed to multiple editions of The Tobacco Atlas global reference and led evaluations of flavored tobacco restrictions, menthol bans, and tobacco 21 policies.