Former President of Nigeria and African Union High Representative for the Horn of Africa region, Olusegun Obasanjo; President of the Union of the Comoros and Chairperson of the African Union, Azali Assoumani; President of the Republic of Ghana and the African Union Champion of Financial Institutions, Nana Akufo-Addo; and the President of the Republic of South Africa, Cyril Ramaphosa, have …