He studied Bachelor of Civil Law (BCL) on a Rhodes Scholarship at Oxford University as his post-graduate course in 1975.
On 31 December 1981, he was moderating a new year class in Legon when Jerry John Rawlings asked him to report to the Gonda Barracks of the Ghana armed Forces join the PNDC.
[8] Between January and August 1982, he acted as the special aid to Chairman Jerry John Rawlings and his first major assignment was to join a delegation and negotiate with President Shehu Shagari of Nigeria to restore oil supply to Ghana.
During his term in the office of foreign affairs, he attempted to unify the NDC with the National Reform Party in 2, and he sent troops to join the Nigerian-led ECOMOG in quelling the Sierra Leone Civil War after a coup in 1997.
[10] As an academic and a knowledgeable politician Ahwoi has written four books in relation to local governance, decentralisation and history in Ghana's politics.