Hon. John Mbadi is the Cabinet Secretary (CS) for The National Treasury and Economic Planning. Before his appointment, Hon. Mbadi had an extensive career in public service, most recently serving as a nominated Member of Parliament (MP) and the Chairperson of the Public Accounts Committee in the National Assembly.

The CS has a rich history in legislative leadership, having served as the elected MP for Suba South Constituency, Suba Constituency, and Gwassi Constituency. His experience extends to roles such as Assistant Minister in the Office of the Prime Minister and Leader of Minority in the National Assembly. Throughout his parliamentary tenure, he was a member of numerous key committees, including the House Business Committee, Liaison Committee, Budget and Appropriations Committee, Selection Committee, Appointments Committee, Public Accounts Committee, Public Investments Committee, Constitutional Implementation Committee, the Ad Hoc Committee on the Cost of Living, and the Defence and Foreign Relations Committee. Notably, he was also a member of the Legislative Taskforce responsible for drafting the Public Finance Management Act of 2012.