Head of state Supreme Leader Ayatollah Ali Khameini, source of power and authority for the state, ensure Islam is followed throughout the state, commander in chief, appoints half the Guardian Council, appoints chief justice, maintains economic control, has the final say in policy, serves for life, can be removed by Assembly of Religious Experts for failing to uphold religious duties. Head of government President Ebrahim Raisi, drafts budget, initiates legislation, selects cabinet ministers, executes laws, diplomat, 2 4 year terms.