Watch Courageous Leaders with Hartley Sawyer

Why would PR maven Jocelyn Johnson start a firm with less than a month's rent in her bank account and zero clients?

How Thrillist Co-founder, Ben Lerer is mastering the art of evolution and why after a decade, he's still having fun.

Power Yogi and Founder of Lyons Den Power Yoga, Bethany Lyons gets you out of your head and onto the mat to unleash the courage within. Namaste.

Hear how interior designer Ross Cassidy bounced from dollar draft bartender to 'Million Dollar Decorator.'

Musician turned real estate power broker Adam Mariucci talks about handling rejection like a boss and finding the courage to keep moving.

Getting laid off and evicted in the same week would be discouraging for most people. But Foursquare Co-founder, Dennis Crowley isn't most people.