Isaac B VossIsaac B. Voss, MPH, is assistant professor of anthropology at Vanguard University. After receiving his master's degree in public health (Boston University), he served for nine years as the health ministry director for World Impact-Los Angeles, a Chritian nonprofit organization. Isaac is presently a PhD candidate in urban community development at Fuller Theological Seminary. His research interests include church-based health programs, participatory evaluation methods, and the role of agency in poverty and development.