Born in 1933 and educated at Yale, **David McCullough** transformed American popular history by bringing the past to vivid life through masterful storytelling.

Casandra Brené Brown is an American academic and podcaster who is the Huffington Foundation's Brené Brown Endowed Chair at the University of Houston's Graduate College of Social Work and a visiting professor in management at the McCombs School of Business in the University of Texas at Austin..

Born in 1986 and raised in Hamilton, Ohio, **James Clear** has transformed from a college baseball team captain at Denison University into one of America's most influential voices on personal development.

Eric Ries is an American entrepreneur, blogger, and author of The Lean Startup, a book on the lean startup movement.