Garrett Madison is one of the world’s most accomplished high-altitude guides, with 15 Everest summits and more clients led to the top of Everest and K2 than any other guide. A pioneer of landmark climbs such as the first guided ascent of K2 in 2014, he also holds multiple records, including five-time completion of the Everest–Lhotse doubleheader. Beyond leading expeditions, Garrett is an Emmy Award-winning producer, leadership speaker, and high-altitude climbing gear design contributor.​