Professor Larry Chang is a Professor of Medicine, Epidemiology, and International Health at Johns Hopkins University. He has been very instrumental in the transformation of research through training and development.  

Larry William Chang, MD, MPH is a Professor of Medicine, Epidemiology, and International Health at the Johns Hopkins University School of Medicine and Bloomberg School of Public Health. Dr. Chang trained at Emory University, the University of California, San Francisco, and Johns Hopkins University. Currently, Dr. Chang is an infectious diseases specialist at the Johns Hopkins Bartlett Specialty Practice and on the Polk service, a multidisciplinary HIV and infectious diseases inpatient unit. 

Professor Chang’s research focuses on using implementation science, community health workers, applied epidemiology, and mobile technologies to improve treatment and prevention for HIV in settings ranging from Uganda to Baltimore. Dr. Chang is Co-Principal Investigator of the Rakai Community Cohort Study and Principal Investigator of the VICINITY Study on HIV, Non-Communicable Diseases, and the Urbanization Syndemic in Uganda.