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
Legislative, Executive, & Judicial branch like the United States
None. Mexico is a federal republic with a president as executive power.
The US Government Chief Executive is the President.
The President is chief executive of the Executive Branch of the US government.
CEO: Corporate Executive Officer
Chief executive or chief executive officer (CEO).
MayorThe mayor is chief executive of a city.
Chief Executive Officer Chief Executive Officer