Her research, teaching, and practice focus on HIV and LGBT health with particular attention to transgender health. She completed her doctoral dissertation on stigma, HIV risk, and access to health care for transgender adults, co-authored a global meta-analysis examining the burden of HIV among transgender women worldwide, and is lead author of a comprehensive review of HIV among transgender sex workers in The Lancet HIV and Sex Workers series. In addition to her academic work, she provides medical care for people living with HIV at Johns Hopkins Hospital.