The Governor of Arizona is the head of government and head of state of the U.S. state of Arizona. As the top elected official, the governor is the head of the executive branch of the Arizona state government and is charged with faithfully executing state laws. The governor has the power to either approve or veto bills passed by the Arizona State Legislature; to convene the legislature; and to grant pardons, except in cases of impeachment. The governor is also the commander-in-chief of the state's military forces.