This Entrepreneur Shares How She Survived When the Money Ran OutWhen a change in the tax law nearly wiped out Saima Khan's company, she was forced to reconsider exactly what kind of business she was running.

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Saima Khan had an epic string of luck. She was a banker in New York, and one day she ended up chatting with Warren Buffett at an airport. "We had a very personal conversation about love, loss, risk, home, and food," she says. By the end, she'd offered to cook him a meal at her home. Buffett accepted, brought Bill Gates along, and ate well. Then the industry titans asked her to cook for their upcoming charity event, which she did—making large, shareable plates, harking back to how her Pakistani immigrant family fed guests.