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There's one similarity between Amazon and Blue Origin CEO Jeff Bezos, Apple's Tim Cook, Alphabet's Sundar Pichai, AMD's Lisa Su, General Motors' Mary Barra and NVIDIA's Jensen Huang.
These days, the heads of some of the most successful companies in the world have one thing in common.
They're engineers.
For those who aspire to be CEO of a company one day, getting an MBA - a Master of Business Administration degree - used to be the way to go.
But that's not so true anymore.
Harvard Business Review used to publish an annual list of the top 100 best-performing CEOs.
In 2018, they found that for a second year in a row, there were more CEOs with an engineering degree than an MBA. 34 compared to 32.
Some had both.
Getting an MBA can come with a hefty price tag.
Top graduate schools such as the University of Pennsylvania's Wharton or Harvard Business School will set you back over $200,000.
