The West African to become the Secretary General of the Commonwealth is

The West African who became the Secretary General of the Commonwealth is Chief Emeka Anyaoku. He served as the Secretary General of the Commonwealth from 1990 to 2000, and is a Nigerian diplomat and statesman who has made significant contributions to the promotion of democracy, human rights, and sustainable development in Africa and beyond. He was the first and only person from West Africa to hold this position in the Commonwealth, which is an intergovernmental organization made up of 54 member countries that share historical ties, values, and principles of governance.