Douglas Anthony Ducey (, né Roscoe Jr.; born April 9, 1964) is an American businessman and politician who was the 23rd governor of Arizona from 2015 to 2023. A member of the Republican Party, Ducey was CEO of the ice cream parlor chain Cold Stone Creamery from 1995 to 2007 and was Arizona State Treasurer from 2011 to 2015. Originally from Ohio, Ducey moved to Arizona to attend Arizona State University (ASU), where he earned a Bachelor of Science degree in finance. He began a career in sales and marketing and became chief executive officer of Cold Stone Creamery in 1995. He later sold the company in 2007, and was elected Arizona state treasurer in 2010. Ducey won the 2014 Arizona Republican primary for Governor of Arizona and defeated Democratic businessman Fred DuVal in the general election; he took office on January 5, 2015. He was reelected by a wide margin in 2018, defeating Democratic nominee David Garcia. Ducey's fellow Republican governors elected him chair of the Republican Governors Association for 2021 and co-chair in 2022. Ducey had been mentioned as a possible candidate for the U.S. Senate, but declined to run in the 2024 election against incumbent Kyrsten Sinema. He left office on January 2, 2023, and was succeeded by Democrat Katie Hobbs. In June 2023, he was announced as CEO of Citizens for Free Enterprise, a political action committee focused on economic freedom.