Stanford athletic director Bernard Muir is expected to resign from his role after 13 years with the university, sources briefed on his plans confirmed Monday. ESPN first reported the news of Muir’s expected resignation.

Muir was named the Cardinal’s athletics director in 2012 and has had the job during a period of intense change in college sports.

Stanford athletic director Bernard Muir will resign after 13 years on the job. Muir announced his decision on Tuesday to step down at the end of the academic year, saying it was an honor to serve in the role for more than a decade.