Dr. John Schneider MD, MPH, studies how real world public health interventions can be implemented both in the united States and other countries where he works including Greece and India.  In India, where he lived for two years during his training, he has led several research and service projects that engage vulnerable populations susceptible to HIV and other infectious diseases.  His work often includes network science and other approaches that move beyond individual level behaviors and characteristics to focus on the larger social and structural spaces and policies.