He is the Associate Director of Methods Core, Center for HIV Identification, Prevention and Treatment Services (CHIPTS). His substantive areas of research include conjoint analysis to assess consumer preferences on biomdedical interventions (e.g., HIV vaccines, PrEP, HIV testing, dual HIV/Syphilis testing), family-focused interventions to support HIV disclosure, community-based interventions for HIV and drug control, and finding innovative ways to support and facilitate HIV treatment and prevention continuum for at-risk youth. He currently co-directs Fogarty HIV Research Training Program in Thailand and Myanmar.