David Pantalone, PhD, is a clinical health psychologist in Boston, Massachusetts, USA, where he serves as an assistant professor of psychology at the University of MassachusettsóBoston, and a behavioural scientist at The Fenway Institute. Dr. Pantalone has authored/co-authored 30+ scientific articles and given 60+ scientific presentations in the areas of HIV/STI prevention and treatment. He is an expert in cognitive behaviour therapy and in Information-Motivation-Behaviour (IMB) approaches to addressing sexual risk behaviour. Dr. Pantalone collaborates with public health researchers on research projects, funded by the U.S. government, to reduce risky sexual behaviour and related alcohol and drug use, and improve interpersonal relationships. Dr. Pantalone teaches undergraduate and graduate students, provides clinical supervision to clinicians at all levels of training, and trains community providers.