[custom_adv] Rebrab is the founder and CEO of Algeria's largest privately-held company, Cevital, which owns one of the world's largest sugar refineries. The company also owns an Italian steel mill, a French appliances maker, and a German water purification company. [custom_adv] Dos Santos is the oldest daughter of Angola's former president, Jose Eduardo dos Santos, who left office in 2017. According to Forbes, Dos Santos acquired stakes in Angolan companies like banks and a telecom firm during her father's presidency. [custom_adv] Ivanishvili amassed his fortune in Russia in the metals and banking industries before moving back to Georgia in 2013. He served as Georgia's prime minister for 13 months in 2012 and 2013. [custom_adv] He has investments in Polish and Chilean telecom companies, cryptocurrencies, and startups including Zwift, BeamUp, and Deliveroo. Björgólfsson went almost completely broke during the 2008 recession when he had to pay off almost $10 billion in debt. [custom_adv] Alghanim is the chairman of Alghanim Industries, a conglomerate founded by his father in the 1930s. The company sells General Motors and Ford cars in Kuwait and owns other businesses, including Wendy's restaurants in the Middle East. [custom_adv] Zeller is the former CEO and now a supervising board member of Ivoclar Vivadent AG, a Lichtenstein-based dental products company with offices in 25 countries. Zeller's grandfather, Dr. Adolph Schneider, bought the company in 1948. Zeller served as CEO from 1990 to 2003. [custom_adv] Chaudhary holds a controlling stake in CG Corp Global, which makes the popular Wai Wai noodles, owns 30 hotels, and manages 55 more. [custom_adv] Amorim was married to Americo Amorim. After he died in 2017, she and her three daughters inherited his fortune, which was made in the family's cork business, Corticeira Amorim, as well as international investments in energy and banks. [custom_adv] Al Thani is the founder and chairman of Al Faisal Holding, one of Qatar's largest conglomerates, which owns more than 20 hotels worldwide, including the St. Regis in Washington, DC and Miami, and the W Hotel in London. [custom_adv] Tiriac has a minority stake in Romanian insurance company Allianz-Tiriac and has also made investments in automobile dealerships, petroleum, and real estate. [custom_adv] Kirsh owns 70% of Jetro Holdings, a wholesale supplier of goods to small stores and restaurants. [custom_adv] [custom_adv] He also owns more than half of Liquid Telecom, a private company that supplies fiber optic and satellite services to telecom companies throughout Africa.