Associate Director, Population Sciences, Clinical Research Training Program, Co-Leader, Cancer Epidemiology, Prevention & Control Program, Montefiore Einstein Comprehensive Cancer Center; Director, Global Environmental Health, Global Health Center; Research Director, Medical Student Global Health Program; Co-Director, PhD Concentration in Clinical Investigation; Division Head, Atran Foundation Chair in Epidemiology and Population Health, Professor, Epidemiology & Population Health, Albert Einstein College of Medicine