Alfred Pach, PhD,  is a medical and public health anthropologist. He began work at the international Vaccine Institute as a member of the Social Science Task Force in 1999 on the Diseases of the Most Impoverished Program (DOMI). He has coordinated socio-behavioral studies at IVI since 2004.  His research interests include the introduction and implementation of new vaccines, and communication and social mobilization  in establishing, monitoring and evaluating vaccination programs at national and community levels, risk communication, and ethics in clinical trials.  At IVI he conducted studies on cholera, typhoid fever, shigella, and dengue fever.  He received his Ph.D. in cultural anthropology from the University of Wisconsin, Madison, and MPH from the University of Illinois. He had been a technical consultant for UNICEF, UNAIDS, Save the Children, and Family Health International.  Before joining IVI, he directed NIH studies on HIV/AIDs at the University of Chicago.