Hamad bin Khalifa bin Hamad bin Abdullah bin Jassim bin Mohammed Al Thani ( 1 January 1952 ), former Emir of the State of Qatar . He took over the emirate on June 27, 1995 after a white coup against his father, the then Emir of the State of Qatar, Khalifa bin Hamad al-Thani until he ceded power to his son Sheikh Tamim bin Hamad al-Thani on June 25, 2013