Douglas Anthony Ducey is an American businessman and Republican politician who served as the 23rd governor of Arizona from 2015 to 2023 and as Arizona State Treasurer from 2011 to 2015. He was CEO of the ice cream parlor chain Cold Stone Creamery from 1995 to 2007. Originally from Ohio, Ducey moved to Arizona to attend Arizona State University, where he earned a Bachelor of Science degree in finance.