Co-owner of Rainier Mountaineering, Inc. (RMI), the largest guide service in the U.S., Peter has been a mountain guide for more than 25 years. Born into what could rightfully be called the First Family of American mountaineering, Peter has more than held his own outfitting and guiding over 70 expeditions on all seven continents. In 1995, he organized Expedition Inspiration and led a group of breast-cancer survivors to the summit of Aconcagua, raising $2.3 million for breast-cancer research. He has hosted Trailside, an Emmy-nominated adventure TV series on public television. And he continues to lead trips all over the world.