Jeff Bezos does not have an MBA. He graduated summa cum laude from Princeton University in 1986 with a Bachelor of Science in Engineering, specializing in Electrical Engineering and Computer Science. While he has no formal business graduate degree, his technical background and Wall Street experience preceded his founding of Amazon.
Jeff Bezos always had an interest to understand how things worked and as a child, he turned his parent's garage into a laboratory. He graduated from Princeton University with a dual degree in computer science and electrical engineering.
Entrepreneurs Without MBAs: Steve Jobs, Bill Gates, Mark Zuckerberg.
#1 Elon Musk. He has an MBA from the Wharton School of Business.
Engineering
This might surprise you, but the scope of engineering is huge and widening! KEY FACT: Engineering is the most common degree among the billionaires. 22% of the world's top 100 billionaires studied engineering.
Although Elon Musk does not hold an MBA, his business acumen rivals that of top business school graduates.
Googlers call Zuckerberg's approach the 80 percent rule
She calls this idea the 80 percent rule. It states you should schedule only about 80 percent of your days. Leave 20 percent open to absorb whatever craziness comes up.
Not all CEOs have MBAs. Some, like Bill Gates or Mark Zuckerberg, don't even have BAs. Steve Jobs famously said during his 2005 Stanford commencement speech that, “dropping out of college was one of the best decisions I ever made.” But, then there are CEOs like Tim Cook, Warren Buffett, and Barbara J.
Jeff Bezos graduated from Princeton University in 1986 with a 4.2 GPA in electrical engineering and computer science, graduating summa cum laude and earning memberships in honor societies like Phi Beta Kappa and Tau Beta Pi.
According to Forbes' Real Time Billionaires list, Musk has a net worth of $367 billion. Musk's educational background includes studying at Queen's University in Kingston, Ontario and later transferring to the University of Pennsylvania, where he graduated with a degree in physics and economics in 1995.
Top US MBA Programs
Zuckerberg has never revealed his own political affiliation or voting history.
Mark Zuckerberg famously became the world's youngest self-made billionaire at age 23 in 2008 after Facebook went public, though more recently, in late 2025, a trio of 22-year-olds (Brendan Foody, Adarsh Hiremath, and Surya Midha) from the AI company Mercor beat his record, becoming the youngest self-made tech billionaires.
Elon Musk disclosed he has Asperger's syndrome (now considered part of Autism Spectrum Disorder) during his May 2021 Saturday Night Live monologue, noting it explains his sometimes unusual behavior and intense focus, with his mother also confirming his traits since childhood. While Asperger's isn't a formal diagnosis anymore, it highlights his challenges with social cues and literal thinking, which he frames as strengths in his work, alongside potentially related mood shifts mentioned in biographies, though he tweeted about bipolarity without a formal diagnosis.
The billionaire co-founder of Microsoft, Bill Gates, dropped out of Harvard to focus on building his company. Proving that degrees aren't always necessary, Bill Gates was consistently named the world's richest man between 1995 and 2017, when he was overtaken by Amazon founder Jeff Bezos.
About 90% of millionaires build wealth through long-term investing, often focusing on real estate, starting their own businesses, and making consistent, disciplined financial choices like budgeting, saving, and continuous self-education, rather than flashy spending, with a strong belief in controlling their own financial destiny. They prioritize tangible assets and income streams, using strategies like leverage and tax benefits, and avoid excessive spending on depreciating assets like luxury cars.