Osei-Bonsu began legal practice at Yaanom Chambers in
Kumasi from March 1962 to June 1967. In 1966, he was appointed Director of the
Ghana Commercial Bank. That same year, he was appointed
Commissioner for the Ministry of Information on 1 July, during the tenureof the
National Liberation Council (NLC). He resigned his post at the Information Ministry in January 1968. At the inception of the
Second Republic he was elected the member of parliament for
Asokwa and also appointed Minister of State (State Protocol), he served in these positions until 1972. ==Personal life==