Alison Levine has climbed the highest peak on every continent, served as the team captain of the first American Women’s Everest Expedition, and skied across the Arctic Circle to the geographic North Pole. In January 2008, she made history as the first American to follow a remote route across west Antarctica for 600 miles to the South Pole. Alison spent four years as an adjunct professor at the United States Military Academy at West Point where she focused on the topic of leading teams in extreme environments. She is the author of the New York Times bestseller On the Edge, a compilation of lessons learned during her various expeditions.