Walker Stapleton (born April 15, 1974) is an American Republican politician. He is the State Treasurer of Colorado, having taken office on January 11, 2011.
Stapleton is a Bush family relative. He graduated from Williams College and received a M.A. from London School of Economics. He earned his M.B.A. from Harvard Business School.
In September 2017, Stapleton announced his candidacy for Governor of Colorado. He lost the election to Jared Polis in the general election in November 2018.