Oklahoma athletic director Joe Castiglione has announced that the upcoming academic year will be his last in charge of the department, with an official retirement planned for June 2028.

Oklahoma athletic director Joe Castiglione, who has led the Sooners since 1998, will retire from his full-time responsibilities during the upcoming school year, the university announced Monday. Castiglione and other members of Oklahoma's administration will hold a news conference Tuesday.

Castiglione is entering his 28th year at Oklahoma, making him the longest-tenured athletic director in major college sports.