Who is the head of each branch and how do they get their job?

In the United States, the head of the executive branch is the President, who is elected by the citizens through a national election. The head of the legislative branch is the Speaker of the House of Representatives, elected by the members of the House, while the Senate is led by the Vice President, who is elected alongside the President. The judicial branch is headed by the Chief Justice of the United States, who is appointed by the President and confirmed by the Senate. Each branch's leader is selected through different processes reflective of their respective roles and functions in government.