Sunil Suhas Solomon, MBBS, PhD, MPH, is an Associate Professor of Medicine and Epidemiology at the Johns Hopkins University School of Medicine, USA. He completed his medical training in India and received a Master’s in Public Health and a doctorate in epidemiology from Johns Hopkins University. Sunil has been elected into the Phi Beta Kappa and the Delta Omega honours societies and has received a Director’s Award from the National Institutes of Health. His research is primarily focused on the epidemiology, clinical management and access to prevention and treatment services for HIV, viral hepatitis and other infectious diseases, especially among key populations globally.