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Barack Obama is an American attorney and politician who served as the 44th president of the United States.

Bill Gates is an American business magnate, software developer, investor, and philanthropist.

Elon Musk is an engineer and technology entrepreneur.

Emma Watson is an English actress, model and activist.

Warren Buffett is the chairman and CEO of Berkshire Hathaway.

Mark Zuckerberg is the co-founder and CEO of Facebook, Inc.

Steve Jobs was an American business magnate, industrial designer, investor, and media proprietor.

Jeff Bezos is the founder, chief executive officer, and president of Amazon.