Yvon Chouinard (born November 9, 1938) is an American rock climber, environmentalist, and outdoor industry billionaire businessman. His company, Patagonia, is known for its environmental focus.
Chouinard is also a surfer, kayaker, falconer, and is particularly fond of tenkara fly-fishing. He has written about climbing issues and ethics and on mixing environmentalism and business.
