Dr. Dyer also has a research faculty appointment in the School of Public Health at University of Maryland, College Park in the Epidemiology and Biostatistics Department. Her research is in HIV/AIDS health disparities, women’s health, and substance use. Her focus is on structural, as well as social, psychological, and cultural determinants of racial/ethnic and gender disparities in health behaviors and health outcomes among marginalized populations, as well as their families. Her research in HIV/AIDS examines substance use, mental health and sexual risk among Black men who have sex with men and women (MSMW), and how sex and drug risk networks of MSMW translates into risk for their female partners.