After retirement in 1979, Colonel Bello held various part-time appointments as a chairman of Niger State Green Revolution, Niger State NYSC, Niger State Polytechnic and Niger State Science and Technical School. He served as the Chairman of Nigerian Table Tennis Federation (a pastime of his) and led the national team to the Commonwealth Table Tennis Championships and 1983 World Table Tennis Championships in Tokyo. He later served as the Nigerian High Commissioner (Ambassador) to Zimbabwe from 1984 to 1986.