John Campbell John Campbell is former Ralph Bunche Senior Fellow for Africa Policy Research at the Council on Foreign Relations. He is the author of Nigeria: Dancing on the Brink and Morning in South Africa, and co-author of Nigeria: What Eeryone Needs to Know. From 1975 to 2007, Campbell served as a U.S. Department of State Foreign Service officer. He served twice in Nigeria, as political counselor from 1988 to 1990, and as ambassador from 2004 to 2007. Campbell’s additional overseas postings include Lyon, Paris, Geneva, and Pretoria. He also served as deputy assistant secretary for human resources, dean of the Foreign Service Institute’s School of Language Studies, and director of the Office of UN Political Affairs. Read More Read Less