Angela E. Kouplen was first elected a director of AAON in 2016 and serves as Chair of the Compensation Committee and a member of the Audit Committee. She currently serves as Senior Vice President and Chief Human Resources Officer of ONE Gas, Inc. (NYSE: OGS), having joined that company in 2023, and previously was Vice President of Administration and Chief Information Officer at the University of Tulsa from 2021 to 2023. She held several executive positions at WPX Energy from 2012 to 2021, including Senior Vice President and Chief Information Officer, and earlier served in sourcing and IT leadership roles at the Williams Companies; she holds an M.B.A. from the University of Tulsa.