The head executive of a city government is called the mayor or city manager. In most cities of the United States, the mayor may oversee the different departments of a city, such as police, education, and transportation departments. read more
The head of the executive branch in all 50 states and five commonwealths of the United States is known as a governor. The range of powers that each governor exerts over her state varies, depending on the distribution of power in the constitution of that particular state. read more
In the United States, the head executive of the government iscalled president. Other countries may have prime ministers,chancellors, or kings. read more