* BA (Economics), Swarthmore College, 1979-83 * MBA studies in finance (no degree), Penn Wharton School, 1983-85 * PhD (Economic Geography), Johns Hopkins University (1985-93) * research at Johannesburg NGOs Planact and National Institute for Economic Policy (1990s) * academic positions at Johns Hopkins University, Wits and UKZN (1994-present) * author and editor of numerous policy papers, books and articles