Erik Harms, is the international Principal Investigator of Case study 4: Wards 13 and 14, Phú Nhuận, Ho Chi Minh City, Vietnam. Professor Harms is a social-cultural anthropologist specializing in Southeast Asia and Vietnam. His ethnographic research in Vietnam has focused on the social and cultural effects of rapid urbanization on the fringes of Saigon—Ho Chi Minh City. His book, Saigon’s Edge: On the Margins of Ho Chi Minh City (University of Minnesota Press, 2011), explores how the production of symbolic and material space intersects with Vietnamese concepts of social space, rural-urban relations, and notions of “inside” and “outside.” Email: erik.harms@yale.edu