4. Hamad bin Jassim bin Jaber Al Thani
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Hamad bin Jassim bin Jaber Al Thani is former Prime Minister (3 April 2007 to 26 June 2013) and foreign minister from 11 January 1992 to 26 June 2013 of Qatar, who was born on 10 January 1959 in Doha.
He was the director of the office of the minister of municipal affairs and agriculture from 1982 to 1989.
He is also known as a billionaire whose estimated worth is more than 106 Crores USD according to Forbes.
3. Sheikh Faisal Qassim Faisal Al Thani
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Sheikh Faisal Qassem Faisal Al Thani the Chairmen of Al Faisal Holding which is one of the biggest conglomerates of Qatar, founded in 1964. As well as, he is owner of more than 20 hotels around the world.
In his early life, he started selling car parts at age 16 and in 1960s he became the sole distributor of bridge-stone tires. according to source his estimated worth is more than $1.77 Billion.