David Vlahov (born August 31, 1952) is an American epidemiologist and professor emeritus at the UCSF School of Nursing, of which he previously served as dean from April 2011 to August 2016. He is also the editor-in-chief of the Journal of Urban Health, and has been a member of the National Academy of Medicine since 2011. He is known for researching issues related to social determinants of health, such as the effectiveness of needle exchange programs. With Sandro Galea, he has also researched psychological responses to the September 11 attacks among residents of New York City. Source: Wikipedia (en)