См. также: по дороге в школу, по свидетельствам очевидцев, по традиции, по форме и содержанию удовлетворяющий
The Organization is headed by the Director General, who is appointed by the Health Assembly on the nomination of the Executive Board. (WHO website)
The Cabinet is headed by the Prime Minister, who must be an elected member of Parliament, and other ministers are appointed from either chamber by the Governor-General, as advised by the Prime Minister. (Wikipedia)
