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Prince Alwaleed Bin Talal Bin Abdul Aziz Alsaud is the world's 22nd wealthiest person.

Although he is part of Saudi Arabia's royal family, he has preferred to stay away from politics and focus on his stock market and real estate ventures. In disapproving of some of his culture's traditions, he is both outspoken and maverick - especially regarding the treatment of women in his country - he hired the first female airline pilot in Saudi Arabia.

Kingdom Holding contains his investments in companies such as Citigroup ( C - news - people ) and News Corp. ( NWS - news - people ), as well as Four Seasons Hotels and Fairmont Hotel management companies, among many others.

Yahoo! BuzzAlwaleed joined the Singapore government investment arm and several other investors in a $12.5 billion capital injection for Citigroup in January 2008; the size of his personal investment is undisclosed. He is also an investor in mainstream technology companies like Apple ( AAPL - news - people ), Motorola ( MOT - news - people ) and AOL.

Alwaleed got his bachelor’s degree in business administration from Menlo College and a master's degree in social science from Syracuse University. He is married and has two children.

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