Isaac Duro Ayanrinola, accepted Jesus as his Master, Lord and Savior in the 70s through the ministry of the Scripture Union (SU). For his ministerial training, he attended: The Nigerian Baptist Theological Seminary, Ogbomoso; American Baptist College, Nashville, Tennessee; and The Southern Baptist Theological Seminary, Louisville, Kentucky.
Duro has served in many capacities: Local Church Pastor; Nigerian Baptist Convention Missionary to Sierra Leone; Associate Pastor, Hurstbourne Baptist Church, Louisville, Kentucky; Associate Director, Global Missions Board of the Nigerian Baptist Convention and Director, Missionary Organizations Department of the Nigerian Baptist Convention.
Duro became the General Secretary of All African Baptist Fellowship in 2012. He is married to Comfort Arinlade Ayanrinola and the marriage is blessed with five children and many spiritual children and grandchildren.