JIM DAVIDSON is an accomplished high-altitude climber, motivational speaker, and coauthor of the New York Times bestseller The Ledge. Along with his teammates, he has been commended twice by the U.S. National Park Service for volunteering on risky and remote mountain rescues. He has brought inspiration to audiences across the U.S. and overseas through his professional business, Speaking of Adventure. Davidson has two adventerous children and lives in Colorado with his very tolerant wife.