Also sacked from office are the Special Adviser to the governor on Public Enlightenment and Strategy, Mr kelechi Okpalaeke, and Special Adviser on Niger Delta Affairs, Mr Justice Odika.
A statement signed by the Principal Secretary to the governor, Mr Pascal Obi, said the sack is with immediate effect.
The governor, on the other hand, has appointed Pastor Ralp Afoaku as the Director General of the state-owned media, the Imo Broadcasting Corporation (IBC).
Afoaku replaces Mrs Esther Obong-Egbuna the former DG, who died three months ago.
Okorocha also appointed Mr Hilary Opara, Deputy Inspector General of Police (rtd) as Special Adviser on Security Matters, while Mr Ananyo Chukwu is the Special Adviser on Social Media.
Also appointed is Mr Evan Enwerem (jnr) as the transition Committee Chairman for Ikeduru Local Government Area.
The statement asked all those affected to hand over all government property in their care to the permanent secretaries in their ministries.
The governor also wished them well in their future endeavours.