He (maybe a She, in the future) has the power to suggest Bills to Congress. Ex: Obama's Health care Bill. He can also veto Bills, but can be over-ridden with a 2/3 majority vote. These and other duties are what the president must do.
Mayor
I don't now
In a presidential government, the president is both chief executive and head of state.
In a presidential government, the president is both chief executive and head of state.
Fala, Franklin D. Roosevelt's beloved dog
They are often called the cabinet, senior staff or management team.
The plural of "chief executive" is "chief executives"
There are different titles for the chief executive. In some countries the chief executive is call president. In many companies, he or she is called the chief executive or chief executive officer.
Individually, chiefs, executives, officers. Collectively, Chief Executive Officers
Chief Executive Officer
Executive Orders The President is the nations's chief executive and has inherent powers to issue executive orders. These orders carry out policies described in laws that have been passed by Congress. The orders have the force of law.
The US Government Chief Executive is the President.