He has 25 years of research experience in medical anthropology and public health in Africa and worked extensively on primary health care projects with Health Alliance International (HAI), a non-profit based in Seattle and closely affiliated with the UW School of Public Health. His research interests have focused on HIV/AIDS, nutrition, reproductive health, community participation, religion and traditional healing. In 2013, Dr. Pfeiffer became Executive Director of HAI and oversees public sector health system strengthening projects in Mozambique, Côte d’Ivoire, and Timor Leste. In his faculty positions at Case Western Reserve University and University of Washington, Dr. Pfeiffer has served as principal investigator on medical anthropology and public health research funded by the National Science Foundation, Wenner-Gren Foundation, and National Institutes of Health. Dr. Pfeiffer has conducted research on community participation in Nicaragua and nutrition planning in Iran for UNICEF. Dr. Pfeiffer has expertise in ethnographic and qualitative research methods, epidemiology, program evaluation, and implementation science.