'Follow your passion' is Tony Hawk's unspoken motto, but the entrepreneur and skateboard icon also realized that it takes more than that to find success.

In this 'Trep Talk Extra, Hawk shares insight on what following a passion really meant to him when it came to starting a business.

Tony Hawk's adventure sports empire includes skateboard company Birdhouse Projects, the Hawk Clothing line, a wildly popular video game series, and his production company 900 Films that teamed with YouTube this year to launch the Ride Channel. He has also donated more than $4 million to nearly 500 skatepark projects throughout the country through the Tony Hawk Foundation.

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