Chief administrative officer

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Chief administrative officers are top-tier executives who supervise the daily operations of a business and are ultimately responsible for its performance. Found across all industries and in both the non-profit and publicly traded sectors, these management professionals are experts at maintaining numerous functions of the businesses they serve.

Government and nonprofit[edit]

A chief administrative officer (CAO) is responsible for administrative management of private, public or governmental corporations and the de facto head of the organization.

In a municipal context, the title is usually used as an alternative for city manager,[1] county administrator, or county executive, particularly in cases where the position does not include powers such as the authority to appoint or dismiss department heads.[2]

In the United Kingdom, CAOs of public companies must be chartered secretaries (Institute of Chartered Secretaries and Administrators), lawyers, certified/chartered accountants, or others with equivalent experience.

Non-government corporations[edit]

The CAO is one of the highest-ranking members of an organization, managing daily operations and usually reporting directly to the chief executive officer. In some companies, the CAO is also the president. It is very similar to a chief operating officer and is not the same as a chief executive officer, which is a more senior title in for-profit corporations.

United Nations[edit]

At the United Nations, the secretary-general is the de facto head of the United Nations. According to the United Nations: Equal parts diplomat and advocate, civil servant and CEO, the Secretary-General is a symbol of United Nations ideals and a spokesman for the interests of the world's peoples, in particular the poor and vulnerable among them. The Charter also empowers the Secretary-General to "bring to the attention of the Security Council any matter which in his opinion may threaten the maintenance of international peace and security". These guidelines both define the powers of the office and grant it considerable scope for action. One of the most vital roles played by the Secretary-General is the use of his "good offices", steps taken publicly and in private, drawing upon his independence, impartiality and integrity, to prevent international disputes from arising, escalating or spreading.

The secretary-general appoints all staff at the United Nations.


In Brunei, Chief Administrative officer was the highest rank of governmental officers in Japanese occupied Brunei under the Japanese Governor. The first Chief Administrative officer was Inche Ibrahim (known later as Pehin Datu Perdana Menteri Dato Laila Utama Awang Haji Ibrahim), a former Secretary to the British Resident, Ernest Edgar Pengilly.


  1. ^ Plunkett, Th. City Management in Canada. Institute of Public Administration of Canada. p. 1. ISBN 0-920715-10-9. 
  2. ^ Martin, David L. (1990-05-30). Running City Hall. University of Alabama Press. p. 72. ISBN 0-8173-0465-7.