HRH Prince Sultan was born in Riyadh on the 5th of January, 1928 (13th of Rajab, 1346 H). On 2/6/1947 (17th of Rajab, 1366 H), King Abdul Aziz appointed him Governor of the Riyadh Region. On the formation of Saudi Arabia's first Council of Ministers on 24/12/1953 (18/4/1373 H), he was appointed Minister of Agriculture, which allowed him to give special attention to the Bedouin Resettlement Project. On 5th November, 1955 (21/3/1375 H), he was appointed Minister of Communications. Prince Sultan was appointed Minister of Defense and Aviation and Inspector General on 13/10/1962 (15/5/1382 H). Ever since, the Saudi ground, air, naval and civil defense forces have undergone swift development. In 1982 (1402 H), he was appointed Second Deputy Premier, in addition to his previous post as Minister of Defense and Aviation and Inspector General. In this capacity, he chairs some Council of Ministers sessions. Prince Sultan chairs a host of organizations and committees of various specializations in the Kingdom of Saudi Arabia. These include;

• The General Organization for Military Industries.
• The Saudi Program for Strategic Reserves.
• The Economic Balance Committee.
• The Manpower Council
• The Board of Directors of the Saudi Arabian Airlines (SAUDIA)
• The National Commission for the Conservation and Protection of Wildlife.

Prince Sultan is well known for his humanitarian and philanthropic contributions, establishing for this purpose "The Prince Sultan Ibn Abdul Aziz Al Saud Philanthropic Society." It is run by a Board of Trustees chaired by Prince Sultan, with his sons and a number of citizens as members.
 

Reference: http://www.the-saudi.net/al-saud/sultan.htm