Alh Mustapha Inuwa served Katsina State in various capacities;
He served Katsina State as the commissioner for education during the period of the late former president Umaru Musa Yar’adua’s time as governor in Katsina state.
Before then, he was appointed by the then Governor of Katsina State, Late Ummaru ‘Yar’adua as the General manager, Katsina State Transport Authority (KTSTA).
He then served as the secretary to the state government of the late former president Umaru Musa Yar’adua’ time as a governor for a brief period of time.
He was an active opposition member and an activist during the former governor Ibrahim Shehu Shema period as a governor.
He participated fully in forming the new governing party APC
He was the pioneer chairman of the All progressive congress, Katsina State.
He was later appointed Secretary to the state government by Governor Aminu Bello Masari in 2015.