Andres is Chilean, he is a NOLS instructor and has been guiding for Aventuras Patagonicas since 1994. He is the most successful Chilean rock climber, he has been on tremendously difficult routes in Patagonia and the Central Andes. First Ascents in Patagonia. Has Climbed extensively in Yosemite where he has done more than twenty El Cap routes. He lives outside of Santiago in the Maipo Valley. Speaks English and Spanish.