Mayor
The President's chief advisers are called his Cabinet.
They are often called the cabinet, senior staff or management team.
congress
Kitchen cabinet
They were called the Dream Team
The head of the executive department could be called the Executive Department Head, supervisor, manager, etc.
The Senate and the judicial branch
The head of a federal executive department is usually called "Secretary", except that the head of the Justice Department is the Attorney General.
They are called department heads and together they form the presidents cabinet.
A government in which the executive and legislative branches are separated and coequal is called?
Except for the Attorney General, executive department heads are called Secretaries such as Secretary of State,Secretary of Defense, Secretary of Treasury, etc.
It was called the executive mansion at one time- possible the presidential mansion.