HIS MAJESTY SULTAN HAJI HASSANAL BOLKIAH MU'IZZADDIN WADDAULAH IBNI AL-MARHUM SULTAN HAJI OMAR 'ALI SAIFUDDIEN SA'ADUL KHAIRI WADDIEN, SULTAN AND YANG DI-PERTUAN OF NEGARA BRUNEI DARUSSALAM
As the Sultan and Yang Di-Pertuan of Negara Brunei Darussalam, His Majesty is the Supreme Executive Authority in Brunei Darussalam. In performing his duties, His Majesty is assisted by the following Councils: the Privy Council, the Council of Succession, the Religious Council, the Council of Ministers and the Legislative Council.
His Majesty was born on 15 July 1946 in Brunei Town (now Bandar Seri Begawan).
His Majesty undertook his early education in Brunei Darussalam and then went on to Kuala Lumpur, Malaysia to further his studies. His Majesty trained as an Officer at the Royal Military Academy, Sandhurst (United Kingdom) in 1966-67.
His Majesty was installed as The Crown Prince in 1961 at the age of 15. Following the voluntary abdication of his late father, Al-Marhum Sultan Haji Omar 'Ali Saifuddien Sa'adul Khairi Waddien, His Majesty was proclaimed as the Sultan of Brunei Darussalam on 5th October 1967.
His Majesty was crowned as the 29th Sultan and Yang Di-Pertuan of Negara Brunei Darussalam on 1 August 1968.
In 1978, His Majesty led a Mission to London for discussions with Her Britannic Majesty's Government on the change of status of Brunei Darussalam to that of a sovereign, independent state. The outcome was the Treaty of Friendship and Co-operation between Brunei Darussalam and Great Britain under which the British Government relinquished its responsibilities for the conduct of Brunei Darussalam's Foreign Affairs and Defence on 1st January 1984.
His Majesty is married to Her Majesty the Duli Raja Isteri Pengiran Anak Hajah Saleha. His Majesty has five princes and seven princesses.
His Majesty plays polo, squash and badminton. He is also a qualified pilot of both aeroplanes and helicopters.
His Majesty holds the Sovereign and Chief of the Family Order of the Crown of Brunei (Darjah Kerabat Mahkota Brunei - DKMB) as well as other orders of Brunei Darussalam. In addition, His Majesty has also received foreign orders and decorations.