Jesse B. Fletcher received his doctorate in 2010 from University of California, Riverside with dual specializations in social psychology and sociological theory. Dr. Fletcher works primarily as a researcher and biostatistician in the fields of HIV prevention and addiction medicine, and has published extensively on mental health and substance use comorbidity in vulnerable and heavily impacted populations, as well as the efficacy of bio-behavioral and technological approaches to risk reduction.  Dr. Fletcher currently works as a statistician and project director for a non-profit research institute, is the sole proprietor of a statistical consulting firm specializing in grant-funded research, and sits on the Data and Safety Monitoring Board at UCLA.