The Vice President of the United States of America (often shortened to VP or VPOTUS) is the second highest executive office of the US federal government and the chief deputy to the President of the United States. In their capacity as the deputy head of government, the Vice President is also the President of the Senate who is the presiding officer of the US Senate - the upper house of the U.S legislature. This position is first in line to succeed as President if the current President resigns, dies or is impeached.