A testament to the power of the human spirit, Kath Koschel is a survivor who has overcome incredible odds and unimaginable tragedy to inspire ordinary people to do extraordinary things. Koschel is formerly an elite cricketer and Ironman competitor whose world came crashing down when she broke her back twice in the span of five years and was told she’d never walk again. Instead, she faced the challenges head-on and defied all medical prognoses by teaching herself to walk again on three separate occasions. Driven by a passion to spread gratitude in the world, she founded Kindness Factory with the goal of encouraging one million acts of kindness and helping people find the light during dark times — just as she has done so many times.

Bob Ballard shares amazing stories with incredible enthusiasm and energy about the treasures of the ocean and how new discoveries could solve the world’s toughest problems. The man who discovered the Titanic, the Bismarck, and life at the bottom of the sea is an enthralling presenter who inspires curiosity and adventure through science and education. He weaves in his own discoveries to illustrate his points and uses incredible pictures to bring his adventures to life.

Mike Greenberg is co-host of ESPN’s popular radio and TV show Mike & Mike in the Morning, which premiered in 1998 and is carried by more than 310 affiliates nationwide. He's been to Super Bowls, World Series, All-Star Games, and Final Fours; he's interviewed Michael Jordan, Joe Montana, and Wayne Gretzky - basically, he gets paid to enthuse about sports, which means he's the envy of most men in America.

Mark Jenkins is a field staff writer for National Geographic Magazine and writer-in-residence at the University of Wyoming. In 2009 he won the National Magazine Award for photojournalism, along with his colleague Brint Stirton, for their National Geographic story “Who Murdered The Mountain Gorillas.” Jenkins was “The Hard Way” columnist for Outside magazine for eight years. He is the author of three books: The Hard Way (Simon and Schuster, 2002), To Timbuktu (William Morrow, 1997), and Off the Map (William Morrow, 1992). He resides in Laramie, Wyoming, with his wife and two daughters.

Andrew Winston, founder of Winston Eco-Strategies, is a globally recognized expert on how companies can profit from solving the world’s biggest challenges. His views on strategy have been sought after by many of the world’s leading companies, including HP, Ingersoll Rand, J&J, Kimberly-Clark, Marriott, PepsiCo, PwC, and Unilever. Andrew's latest book, The Big Pivot was selected as one of the "Best Business Books" by Strategy+Business magazine. Andrew’s first book, Green to Gold, was the top-selling green business title of the last decade, selling more than 100,000 copies in seven languages. Inc. Magazine included Green to Gold on its all-time list of 30 books that every manager should own. Andrew’s speeches around the globe, including a TED talk, provide a practical and optimistic roadmap to help leaders build thriving, resilient companies in a volatile world. He received degrees in economics, business, and environmental management from Princeton, Columbia, and Yale.