Jessica Jackley: Lives change when we tell our stories and believe in each other
Bob Harris: Kiva Celebrator and Author of "The International Bank of Bob"
David Risher: Founder of Worldreader.org and Personal Open Library
Jane McGonigal: Gamer, Futurist, Author of "Reality is Broken" Book
Robert Cialdini: Author of "Influence: The Psychology of Persuasion book (among others)"
Sheryl Sandberg: Facebook COO and Author of "Lean In" book
Sheryl WuDunn: Author of "Half the Sky" and other best-selling books