Jeff Weiner: The CEO of LinkedIn started working for Warner Bros. back when he was in college. He was the mind behind Warner Bros. going to the online world and later became Vice president of the online division of the company.

He then led various positions in Yahoo, managing over 3000 employees at a time and continues to contribute to the company. He is also involved with humanitarian works leading NGOs like ‘Malaria No More’ and DonorsChoose.org.

Steve Ballmer: The ex-CEO of Microsoft, Ballmer was not always a man who held high positions though he was a graduate of Harvard. He started with Proctor & Gamble selling devices called Coldsnap Freezer Dessert Maker and also Moist Easy Snack Cake.

He later completely changed his job profile and became a CEO of one of the biggest companies in the world. This experience with Proctor & Gamble made him a versatile Sales man.

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