Jim Davidson is a former high-altitude climber and expedition leader. Now he is a professional speaker, and the author of two adventure memoirs.Davidson spent 39 climbing mountains all over the world. He was on Mount Everest during the tragic earthquake in 2015, then returned in 2017 to reach the summit.Davidson has appeared on National Geographic, Smithsonian Channel, and Discovery. His first book, co-authored with Kevin Vaughan, "The Ledge: An Adventure Story of Friendship and Survival on Mount Rainier," was published in 2-11. His second book, "The Next Everest: Surviving the Mountain's Deadliest Day and Finding the Resilience to Climb Again," was published in 2020.