Stephen Luby is Professor of Medicine in the Division of Infectious Diseases and Geographic Medicine at Stanford University and Deputy Director for Research at the Center for Global Health Innovation. He previously served at the International Centre for Diarrhoeal Diseases Research, Bangladesh where he directed the Centre for Communicable Diseases exploring causes and prevention of diarrheal disease in settings where diarrhea is a leading cause of childhood death. Luby holds a medical degree from the University of Texas Southwestern Medical School at Dallas. He studied epidemiology and preventive medicine at the Centers for Disease Control and Prevention.