He studies health and healing practices as they intersect with various fields of power in a range of historical and contemporary contexts. An award-winning teacher, he has also been recognized for his outstanding efforts on behalf of Haitian agricultural workers by the American Embassy in Santo Domingo and was awarded the Distinguished American Citizen Award (2002) as well as the Joseph F. Wall Sesquicentennial Service Award (2004) from Grinnell College. His publications include numerous peer-reviewed journal articles as well as the book, Modernizing Medicine in Zimbabwe: HIV/AIDS and Traditional Healers