Kirsten Lynch, the chief executive of Vail Resorts, is beginning her second year at the helm of a ski industry behemoth that owns 41 resorts in the U.S, Canada, Australia and Switzerland, including five in Colorado. Born and raised in Chicago, she fell in love with skiing at Wilmot Mountain, a tiny area in Wisconsin improbably nicknamed “The Matterhorn of the Midwest” despite having only 193 feet of vertical drop.