Hart leaves what's expected to be a highly sought-after job following SMU's conference switch and CFP appearance.

SMU has invested more than $250 million in athletic facilities since 2013, including renovating and updating Moody Coliseum.

Hart has served in the role since 2012 and led the Mustangs in their transition to a power conference. His announcement comes shortly after President

Athletic Director Rick Hart announced in a statement Friday he will be stepping down from his position after more than a decade leading the Mustangs. Hartzell will now get the chance to bring in his own athletic director when he officially takes over as president on June 1.