He continued his academic journey at the University of Chichester in the United Kingdom, where he earned a Master of Business Administration (MBA).
[11] In 2019, he alongside the Umuahia North Local Government chairman raised concerns over the flooding of ravaged several houses, businesses and farmlands in the Amaogwugwu community in his constituency.
[4] He also expressed surprise over the flooding because it was not predicted by the Nigeria Hydrological Services Agency and was worried about the implications of the disaster on the health and hygiene of both the people and the affected area.
[15] Onuzurike has sponsored bills on establishing an environmental trust fund in Abia State and making Agricultural Science a module in secondary schools.
[19] He participated in the PDP primaries, where the party's flag bearer for the Ikwuano/Umuahia North/Umuahia South Federal Constituency in the House of Representatives for the 2023 general elections was to be determined.
[25] In 2022, he donated the money for two years' house rent to Mr. and Mrs. Chibuzor Ikwunze who had lost their four children to food poisoning after eating some pieces of suya.
[27][28] He joined well-to-do members of his Ohuhu clan to donate relief materials to the downtrodden in his community during the COVID-19 lockdown.