The President must be at least 35 years old, a natural born US citizen who has lived in the US for at least 14 years. Elected to a 4-year term, the President serves as head of state, commander-in-chief of the military, chief diplomat, and leader of their political party. Key roles include enforcing laws, appointing officials, and influencing Congress. The President lives and works in the White House and is supported by staff in the West Wing and Cabinet members who head the executive branch.