Professor Holloway’s research focuses on HIV and substance abuse prevention for vulnerable youth. He is particularly interested in how social networks (both interpersonal and venue-based) influence decision-making related to health risk behavior. Dr. Holloway recently completed a study entitled, "Social Network and Contextual Influences of Substance Use and HIV Risk Among Young Men Who Have Sex With Men”, which was funded by the National Institute of Drug Abuse. He is core scientist of the UCLA Center for HIV Intervention, Prevention, and Treatment Services (CHIPTS). This Center, funded by the National Institute of Mental Health, fosters interdisciplinary and community collaborations to develop strategies for integrating, promoting, and diffusing HIV detection, prevention and care. Dr. Holloway holds dual masters degrees in social work and public health from Columbia University. His doctorate is in social work from the University of Southern California.