#2 Michael Dell, Dell Computers

Mentor: Lee Walker

Michael Dell, at the age of 27, became the youngest CEO ever to head a Fortune 500 company. He was said to be a shy guy who don’t had any prior experience in running a company. The Virtue of Dell changed in 1986, when Michael Dell brought in Lee Walker into company to provide a much-needed managerial and financial experience. Walker, a 51-year-old venture capitalist had a fatherly image in the company. This New president and chief operating officer proved to be a very effective internal force in implementing Michael Dell’s ideas for growing the company. He became Dell’s mentor, built up his confidence and managerial skills. Under Walker’s guidance, Michael Dell became intimately familiar with all parts of the business.

#1 Reid Hoffman, LinkedIn

Mentor: Mark Zuckerberg

Reid Hoffman, turned to Zuckerberg, one of the youngest successful CEOs in the present era, for scaling and understanding the business. But he is a person who believes a person should have many mentors to become an expert in various areas.