Walker Stapleton traded companies, until assuming office in 2011. Stapleton was a 2014 Aspen Institute Rodel Fellow. Walker Stapleton Walker Stapleton (born April 15, 1974) is an American politician who is serving his second term as Colorado's State Treasurer. He was elected in 2010 and re-elected in 2014. Stapleton was the Republican nominee for the 2018 Colorado gubernatorial election, which he lost to Democrat Jared Polis. Stapleton's family has been active in Colorado since the early 1900s. Walker was born in Washington, D.C., and grew up in Greenwich, Connecticut, attending the private Brunswick School. He graduated from Williams College in Massachusetts, and
Denver International Airport away than Stapleton International Airport, the airport it replaced. The distant location was chosen to avoid aircraft noise affecting developed areas, to accommodate a generous runway layout that would not be compromised by blizzards, and to allow for future expansion. The 52.4 square miles (136 km) of land occupied by the airport is more than one and a half times the size of Manhattan (33.6 sq mi or 87 km2). At 33,531 acres (136 km), DIA is by far the largest land area commercial airport in the United States. Dallas/Fort Worth International Airport is a distant second at 70 km