2014

Dr. Godswill Akpabio
Dr. Godswill AkpabioFormer Governor of Akwa Ibom State, Nigeria

2017

Chief Olusegun Obasanjo GCFR, Ph. D
Chief Olusegun Obasanjo GCFR, Ph. DFormer President of Nigeria

2015

LT. Gen. Dr. Seretse Khama Ian Khama
LT. Gen. Dr. Seretse Khama Ian KhamaFormer President of Botswana