John Paul DeJoria grew up poor with his single mother. He faced many problems in life and was homeless twice and lived in his car. Yet he had the drive to keep moving. Finally, he started Paul Mitchell systems and later became a billionaire. Let us check out how he did it.

Tim Chen had a nice job in the financial services industry. But something bad happened, and he accidentally started NerdWallet. Money was not coming in and he thought of shutting it down. But he somehow persisted and finally took it public and became a multi-millionaire. Let us see how he did it.