Kofou, had been organized in the Resistance in Edessa during the German occupation, until his arrest and imprisonment in 1943 in a notorious prison camp in Thessaloniki.
As a result, the family moved to the mother’s (Anna Avaropoulou Kofou) native town, Thessaloniki.
Kofos was a special adviser on Balkan affairs at the Hellenic Foundation for European and Foreign Policy, Athens, Greece.
His earlier book, Nationalism and Communism in Macedonia, (Thessaloniki, 1964, reissued with additional essays, New York, 1993) has been considered a pioneering work on a controversial Balkan issue.
In 1999 the President of the Hellenic Republic Constantine Stephanopoulos decorated him with the Golden Cross of the Order of Phoenix for his services and all round meritorious work,.