 Nzekwu worked as general manager of News Agency of Nigeria (NAN) until 1 July 1979, when he then took over the position of substantive general manager.He retired from the Nigeria Public Service in 1985, after presiding over the affairs of NAN for nearly eight years and servicing his country’s government for 39 years.Onuora Nzekwu received the Rockefeller Foundation Fellowship in 1961, which enabled him to study American Methods of Magazine Production with Crafts Horizons in New York.