Sultan bin Abdulaziz Al Saud (1928 – 22 October 2011) called Sultan al-Khair Sultan of goodness) in Saudi Arabia  was the Crown Prince of Saudi Arabia from 2005 to 2011.
Early life and education
Sultan was born in Riyadh in 1928. He was the 12th son of King Abdulaziz and his mother was Hassa bint Ahmed Al Sudairi. He was the second of Sudairi Seven. Prince Sultan, along with many of his brothers, received his early education in religion, modern culture, and diplomacy at the royal court.
His career in public service began in 1940 when he was made a deputy to then Riyadh governor or emir, Prince Nasser. In 1947, Prince Sultan replaced Prince Nasser as governor of Riyadh. Prince Sultan also assisted King Abdulaziz's attempts to establish a national administrative system based on the Islamic Sharia law during this period. In 1947, Prince Sultan oversaw ARAMCO's construction of the Kingdom's rail link between Dammam and Riyadh. He was appointed as the kingdom’s first minister of agriculture in 1953 and minister of transport in 1955. Although his direct military experience was brief, heading the Royal Guard in Riyadh in the early 1950s, he felt a lifelong connection to the military and the cause of Saudi independence from an early age.