At the age of 14, Joshua Haupt woke up in an ambulance. He was supposed to be in school, but he had suffered a seizure at the breakfast table.

Later that day, Haupt was diagnosed with epilepsy.

That diagnosis eventually led Haupt down the path to become an entrepreneur in the cannabis industry.

Today, Haupt, 32, is worth millions, including a 16 percent stake in Medicine Man Technologies.

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Helen Zhao ~ CNBC.com ~