The ConocoPhillips OSU Alumni Center is the on-campus home for Oklahoma State University's 270,000 living alumni. This premier, award-winning facility is strategically located in the heart of Oklahoma, equidistant from the state's two largest metropolitan areas of Oklahoma City and Tulsa. Located off of Hester Street across from the Student Union, the center offers a variety of spaces for events, including an elegant 5,700-square-foot banquet hall, intimate dining facilities, breakout spaces, an executive conference room and a 120-seat multimedia seminar room. Opened in 2005, the center recently underwent its most extensive refresh to date in 2024, focusing on creating a more welcoming and modern environment for members of the Cowboy family. More than 75,000 people visit the Alumni Center annually, making it a hub for alumni engagement and events.