Guy Barker is a Quapaw-American politician and attorney who served one term as the secretary-treasurer of the Quapaw Nation between 2020 and 2022.
[3] Barker ran for Quapaw Nation secretary-treasurer in 2020 and was elected to his first term, defeating incumbent Tamara Smiley-Reeves.
[7] He also oversaw the increase in the tribe's Saracen Casino Resort credit rating by Moody’s Investors Service and S&P Global Ratings and oversaw the reinvestment in the tribes criminal justice system after the reestablishment of the Quapaw reservation in a follow-up case to the McGirt v. Oklahoma decision.
[5] Barker ran for Oklahoma's 2nd congressional district in 2022 after incumbent Markwayne Mullin announced his retirement to run for the open U.S. Senate seat.
[10] Barker ran for reelection in the 2022 Quapaw Nation elections, facing challenger Kathryn "Wena" Supernaw.