Vice Chief of Staff.
In politics in the United States, the highest ranking job title would be President of the United States. For most businesses the top title is President and Chief Executive Officer.
The highest-ranking officer in the Canadian Forces is Walter Natyncyk, a General with the formal title of "Chief of Defence Staff" (CDS).
Admiral of the Navy. However, there is no one currently serving at that rank in today's armed forces. Admiral of the Navy was a wartime rank last used in WWII. The current 'Highest Ranking Officer' in the Navy is the Chief of Naval Operations (CNO) with the rank of Admiral.
Chief of Staff is the title of the highest ranking officer of the US Army. He holds the rank of General, which is an 0-10 / 4 star rank. The title of Commander-In-Chief is given to the President of the US and is the commanding authority for all military forces, but the holder of this rank, while often having served in the military, is not a military officer by virtue of title.
Christianity is not a unified religion, so you would have to look into the highest rank of a given denomination. For Catholics, the highest ranking title is Pope. For members of the Eastern Orthodox Church, the highest rank is Patriarch. For members of the Anglican Church it is the Archbishop of Canterbury. There are many other denominations, each with its own organizational structure.
The top ranking officer in the U.S. Navy is the Chief of Naval Operations, a 4-star Admiral.
They hold the rank of General and are usually titled as the Chief of Defence Staff (CDS).
A pacha is another term for a pasha, a high-ranking Turkish military officer, the hihgest honorary title during the Ottoman Empire.
Andy Roddick's highest ranking in his career was #1. He rose to the top of the ATP Rankings at the end of the 2003 season after capturing his first and only grand slam title, the 2003 US Open
A duchess is the highest ranking non-royal inherited peerage title. Its male counterpart is a duke.
A chief administrative officer (CAO) is responsible for administrative management of private, public or governmental corporations. 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 CEO, which is a more senior title.
The opposite of Duke was Duchess. Duke and Duchess were titles of nobility in England. Duke is also the highest ranking hereditary title of the four titles in England.