Many MBA students dream of heading up a Fortune 500 company, but for most, it remains a pipe dream. Interestingly, only around a third of CEOs in the most recent Fortune 500 ranking have MBAs, meaning that it’s certainly not a prerequisite. However, the 10 CEOs below have put their MBA learning into practice at the helm of the world's leading firms:
1) C. Douglas McMillan, University of Tulsa College of Business Administration
Company: Walmart
Fortune 500 Rank: 1
Carl Douglas McMillan was born in 1966 and grew up in Arkansas, attending the University of Arkansas and graduating with a bachelor’s degree in accounting in 1989. Having first worked for Walmart as a summer associate in 1984, he later returned to the company full-time while studying for his MBA. McMillon completed the program the following year, graduating with a University of Tulsa MBA in 1991.
Walmart began in the US in 1962, but now operates around the world, with many stores and subsidiary groups based in different countries. It remains the largest grocery retailer in the US but has grown substantially and now offers a plethora of other products.
2) Darren W. Woods, The Kellogg School of Management
Company: ExxonMobil
Fortune 500 Rank: 2
Hailing from Wichita, Kansas, Darren Woods has a bachelor’s degree in electrical engineering from Texas A&M University. He then completed an MBA at Northwestern University’s Kellogg School of Management. Woods joined ExxonMobil in 1992, working at the company for 24 years before being promoted to CEO. Prior to his appointment Woods ran the refining and chemical divisions of the company.
ExxonMobil is one of the largest multinational oil and gas corporations in the world. It is also the largest oil refiner in the world and produces about three percent of the world’s oil and two percent of the world’s energy.
3) Tim Cook, The Fuqua School of Business
Company: Apple Inc.
Fortune 500 Rank: 3
Timothy Donald Cook has been the CEO of Apple Inc. since the resignation of Steve Jobs in 2011 due to ill health. Before getting the CEO appointment, he held the role of Chief Operating Officer (COO) at Apple. Born in Mobile, Alabama, in 1960, he earned a Bachelor of Science in industrial engineering from Auburn University and his MBA from Duke University’s Fuqua School of Business in 1988. Cook is the first openly gay Fortune 500 CEO.
Apple Inc. is one of the world’s Big Four tech companies, designing, developing and selling consumer electronics, computer software and online services. Their best-known products include the iPhone smartphone, the iPad tablet and the Mac personal computer.



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