Youngest siblings can feel like they're at a disadvantage, from receiving hand-me-downs to getting blamed for things they didn't do. "In many ways, my childhood shaped my core leadership skills without realizing [it]," Nooyi said. "I was forced to debate at home ... Every topic was thrown up for debate because there were three kids. DON'T MISS: The ultimate guide to becoming a master communicator and public speaker"When you're a little child, you want to debate even more, because you're always the forgotten child," she said. Under her decade-plus of leadership, the company's stock gained cumulatively 79%, according to FactSet.

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Persons: Indra Nooyi, Nooyi, Vernon Jordan, Bill Clinton Organizations: PepsiCo, Aspen Ideas