The Zimbabwe Anti-Corruption Commission was preceded by the non-independent Anti-Corruption Commission established on the 8th of September 2005 by the Anti-Corruption Commission Act (Chapter 9:22). It was established with a key mandate to combat corruption, theft, misappropriation, abuse of power and improper conduct in the public and private sectors.
The first Commission was headed by Chairperson Abdulman Eric Harid (The First black Comptroller and Auditor-General). The other members were: Dr Rutendo Faith Wutaunashe (Deputy Chairperson), Commissioner Bessie Fadzai Nhandara, Commissioner Kuziwa Nyamwanza, Commissioner Brigadier General Elasto Madzingira, Commissioner Juliet Machoba, Commissioner Retired Police Senior Assistant Commissioner Casper Khumalo, Commissioner Alice Nkomo and Commissioner Johannes Tomana. Commissioner Johannes Tomana was later appointed Prosecutor-General but was not replaced.
Administratively, the Commission reported to the Office of the President and Cabinet (OPC). The Commission was responsible for establishment of its first secretariat. The Anti-Corruption Commission operated through a three-pronged strategy namely: Investigations, Corporate Governance and Corruption Prevention, Public Education, Publicity and Research.
The second commission was appointed during the Government of National Unity (GNU) tenure. It was headed by Retired Brigadier General Denford Chirindo. The term of office was two years for Commissioners and three (3) years for the Chairperson. Other members were: Commissioner Advocate Theresa Mugadza (Deputy Chairperson), Commissioner Emmanuel Chimwanda, Commissioner Shephard Gwasira, Commissioner Dr Goodwill Shana, Commissioner Dr Elita Sakupwanya, Commissioner Lakayana. C. K. Duve. The other two Commissioners (Commissioner Zivanai Rusike and Commissioner Anna Chitsike) did not assume duty.
Administratively, the Commission reported to the Ministry of Home Affairs. The Commission is credited for putting in place some of the operational procedure manuals. The Commission developed the 2012-2016 ZACC Strategic Plan. Their strategy remained focused on the three-pronged approach namely Prevention, Public Education and Investigations.
During this period, there was no Commission in place. The post of Chief Executive Officer was changed by the Second Commission to Secretary of Commission. During this period, the Acting Secretary reported to the Secretary for Home Affairs on all administrative matters pending the appointment of a new Commission. The Commission adapted the Integrated Result Based Management (IRBM) in line with the civil service.
The Third Commission was headed by Dr Job Whabira. Other Commission members were Dr. Nannette Silukhuni (Deputy Chairperson), Commissioner Farai Chinyani, Commissioner Denford Chirindo, Commissioner Dr. Catherine Muchechetere, Commissioner Boyana Ndou, Commissioner Christina Fundira and Commissioner Goodson Nguni. The Commission initiated the decentralization of ZACC to Bulawayo and Gweru. Another sub-office was opened in Harare at the Zimbabwe Agricultural Society (ZAS) show-grounds. The 3rd Commission adopted the three-pronged approach and added another 4th component that of International Cooperation. This resulted in the establishment of the External Relations and International Conventions Unit with a view to strengthen international cooperation.