Stanford athletic director Bernard Muir plans to resign after 13 years on the job. A person familiar with Muir’s decision told The Associated Press that Muir is expected to step down before the end of the school year.

Stanford athletic director Bernard Muir is expected to resign from his position, sources told ESPN. Muir is closing out his 13th year at the school, which during his tenure has won more than 30 NCAA championships and eight Directors' Cups for overall athletic department excellence.

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.