Zampost exists as a public postal operator established by an Act of Parliament and mandated to provide postal and courier services. Until 1926 when the General Post Office which was then a government department was admitted to the general membership of the Universal Postal Union (UPU). The Postmaster General is the Chief Executive of the Corporation and has a team of five Senior Management Staff heading different directorates in the corporation. These are Director Operations, Director Human Resources, Director and Finance, Corporation Secretary and Legal Counsel and Chief Internal Auditor. The Government of the Republic of Zambia has 100% equity holding in the Corporation.