(2013) - Dean, Walter H. Annenberg Chair in Communication, Professor of Political Science, University of Southern California; Senior Fellow, USC Center on Public Diplomacy; Adjunct Fellow, Pacific Council on International Policy.
Former positions at Center for International Development and Conflict Management: Senior Research Scholar; Director. Former Associate Professor/ Professor, Government and Politics Department, Faculty Associate, School of Business and School of Public Affairs, University of Maryland; Deputy Director, Global Information Infrastructure Commission; Director, Policy and Planning Unit, Office of the Director, U.S. Information Agency; Director, International Programs and Resources, National Security Council, White House; Visiting Senior Fellow for Africa, Council on Foreign Relations, New York. Former positions at University of Michigan, Ann Arbor, Michigan: Associate Professor, Political Science; Director, Center for Research on Economic Development; Assistant Professor, Department of Political Science. Former positions at University of Pennsylvania, Philadelphia, Pennsylvania: Assistant Professor (on leave), Department of Political Science; Assistant Professor, Department of Political Science, and Energy Management and Policy Program, School of Public and Urban Policy; Lecturer, Department of Political Science. Former positions at University of California, Berkeley, Acting Assistant Professor, Department of Afro-American Studies; Teaching Assistant, Department of Political Science; Field Research Worker, Survey Research Center. Former Editorial Assistant, The Black Scholar Magazine; Legislative Assistant to Hon. Charles C. Diggs, Chairman, House Subcommittee on Africa; National News Desk, The New York Times, Washington Bureau; Teacher, L'Ecole Secondaire Lapsley, Kasai Oriental, Zaire.