Bahrain under the Al Khalifa is a constitutional monarchy headed by the King, Shaikh Hamad bin Isa Al Khalifa. King Hamad enjoys wide executive powers which include appointing the Prime Minister and his ministers, commanding the army, chairing the Higher Judicial Council, appointing the parliament's upper house and dissolving its elected lower house. The head of government is the prime minister. In 2010, about half of the government was composed of the Al Khalifa family.