- “Advancing The Cause of Liberty,” Speech to the International Students for Liberty, Grand Hyatt, Washington, DC, Feb 15, 2014.
- “How to Defeat a Dictator,” Address to the Oslo Freedom Forum, Oslo, Norway, May 10, 2011.
- “African Solutions to African Problems,” Speech at Calvin College, Grand Rapids, MI, Jan 22, 2010.
- “Business And African Development,” Keynote address to the International Academy of African Business and Development (IAABD) Conference, Arlington, Virginia (April 4-7, 2001).
- “Economic Impact Of Africa’s Conflicts,” Paper presented at the 8th Annual African Studies Coalition Conference, University of California, Sacramento, CA from May 2 -5, 1999.
- “Corruption, the African Development Bank and Africa’s Development,” Testimony before the Senate Foreign Relations Committee, us Congress, September 28, 2004
- “Combating Corruption in Nigeria,” Testimony before the Committee on International Relations’ Subcommittee on Africa, U.S. House of Representatives, May 18, 2006, Washington, D.C.
- “Provision of Development Assistance Abroad,” Testimony Before The Senate of Canada’s Committee on Foreign Affairs, June 13, 2007, Ottawa, Canada.
- “The Failure of World Bank Policies in Africa,” Testimony before The Economic Affairs Subcommittee of the Senate Foreign Relations Committee, The US Congress, Washington, D.C.; Sept 12, 2002.