Notable Achimotans listed below are either alumni ("Akoras") or were affiliated to Achimota School as teachers. According to the Constitution of the Old Achimotan Association (OAA), alumni members who completed a full course of study and teachers who taught at the school for at least five years are considered to be full members of the OAA, and are known as Akoras. Notable Akoras are those Achimotans that have excelled or played a pioneering role in their field. Notable alumni Political leaders Edward Akufo-Addo, President, Second Republic of Ghana (1969–72) Kow Nkensen Arkaah, first Vice President, Fourth Republic of Ghana (1993–97) Alhaji Adamu Atta, former Governor of Kwara State, Nigeria Kofi Abrefa Busia, Prime Minister of Government in the 2nd Republic (1969-1972) Alhaji Sir Dauda Jawara, first Head of State of The Gambia (1970–94) John Evans Atta Mills, President of Ghana (2009–12), second Vice President, Fourth Republic of Ghana (1997-2001) Robert Mugabe, second President, Republic of Zimbabwe Kwame Nkrumah, first President of Ghana, founding member and 3rd Chairman of the Organisation of African Unity, now African Union Jerry John Rawlings, Head of State, Ghana, 1979, 1981–93; and President of Ghana (1993-2001) Architecture Theodore S. Clerk, urban planner and the first formally trained, professionally certified Ghanaian architect of the Gold Coast, developer of the port city of Tema, first chief executive officer of Tema Development Corporation, first President of the Ghana Institute of Architects, presidential advisor to Kwame Nkrumah and recipient of the Rutland Prize from the Royal Scottish Academy. Armed forces Major-General Nathan Apea Aferi, second Ghanaian Chief of Defense Staff of the Ghana Armed Forces, and former Foreign Minister Major Seth Anthony, diplomat and first African commissioned officer in the British Army Major-General (Rtd) Stephen Otu, first Ghanaian Chief of the Defence Staff of the Ghana Armed Forces Flight-Lieutenant (Rtd) Jerry John Rawlings, former officer of the Ghana Air Force, military Head of State, and President of Ghana Major-General Edwin Sam, former Chief of the Defence Staff of the Ghana Armed Forces Lieutenant-General Joseph Henry Smith, Ambassador to the United States, and former Chief of Army Staff Major Kojo Boakye-Djan, Spokesman of the Armed Forces Revolutionary Council Aviation Captain Kofi Martin Ampomah, former pilot Ghana Airways, and head of the Ghana Civil Aviation Authority Business T. E. Anin, Managing Director, and Chairman of the board of directors of the Ghana Commercial Bank (1972–1980) Ken Ofori-Atta, founder and Chairman of Databank