Organization of Executive
The head of the executive branch is the President of the United States, followed by his main advisers, the White House Office. The person at the head of this group is the Chief of Staff who works directly with the legislative branch. The National Security Council is another part of the executive branch and consists of the president, vice president, secretary of defense, and secretary of state. There is also the CEA and the cabinet.
Powers of the Executive
The president acts as the head of state and commander-in-chief as well as being the one to appoint key officials (with the approval of Congress) and enforcing legislation. The president has the power to veto and sign bills and issue executive orders and must issue the State of the Union speech "from time to time." The cabinet and its various departments have a hand in these endeavors.
Functions of Executive
The president of the United States performs duties under the titles of Chief of State, Chief Diplomat, Chief Bureaucrat, and can propose legislation. The executive branch is in charge of departments such as defense, security, and education. The president also makes the budget proposal and is in charge of relations with his/her party as well