John S.Watson is the Chairman and CEO of the the US based oil giant Chevron. He is in been in the top post since 2010. John S. Watson is an American and is a graduate in Agricultural Economics from the university of California. His masters was Business Administration from the University of Chicago. He started his career as a Financial Analyst in Chevron and has been serving the company for the past 32 years. He pockets around USD 24,726,716 every year. After a very mediocre 2011, Chevron under John Watson has posted 41% increase in their profits. 

The 63 year old American Micheal T.Duke is the CEO of Walmart Stores. He holds a degree in Industrial Engineering from the Gerogia Institute of Technology. Micheal severed various stores across the country before joining Wal Mart in 1995. It took a mere 14 years in the Company before he was given the top post in 2009. The 63 years old chap is not only CEO of Wal-Mart stores but, is connected to 28 board members in 3 different organisations across 6 different industries. His compensation sums upto a whopping value of 18,131,738 US Dollars.

Rex W. Tillerson an American national born in 1952 is the CEO of Exxon Mobil Corporation. The company tops the Fortune 500 list with a revenue of 452926 million USD. He is a Bachelor in Civil Engineering from the University of Texas. He is the CEO since 2006. He joined the company in 1975 as a Production Engineer before becoming the President in 2004 and becoming the CEO in 2006. His reputation as a solid hands on guy has made his growth easier and his knowledge of the field is impeccable.