Michigan State athletic director Alan Haller is leaving the school and deputy athletic director Jennifer Smith and men's basketball coach Tom Izzo will serve as co-interim ADs, university president Kevin Guskiewicz announced Thursday. Haller's last day will be May 11. Guskiewicz did not disclose the reason for Haller's exit. "I’m grateful for Alan’s leadership since I joined the university and appreciate the success our programs have seen under his leadership," Guskiewicz said in a statement. "He is deeply committed to this university and has led with honesty and integrity." Guskiewicz said a national search would begin to find a successor to Haller, who was promoted from deputy athletic director in 2021. Haller played football and ran track at Michigan State and later worked 13 years in the school's Department of Police and Public Safety. He joined the athletic department in 2010 and had a number of roles. Under Haller, the Spartans won Big Ten championships in men’s basketball, women’s soccer, women’s gymnastics, men’s hockey and women’s cross country, as well as postseason appearances for several programs. "This is a pivotal time for college athletics, where innovation, effective communications and community engagement are more important than ever," Guskiewicz said. "Our next athletic director will lead one of the nation’s more storied athletic programs, home to 23 varsity sports, a passionate fan base, a long legacy of academic and athletic excellence and, most importantly, an ambitious future." Three months into his tenure in 2021, Haller signed off on a $95 million, 10-year contract for football coach Mel Tucker. Two years later Tucker was fired after he was said to have sexually harassed activist and rape survivor Brenda Tracy during a phone call in April 2022. In 2022, seven Michigan State football players were charged for their actions during a melee in Michigan Stadium's tunnel after a loss to the Wolverines. Haller was an associate athletic director when a female Michigan State graduate filed a complaint about disgraced sports doctor Larry Nassar’s sexual abuse in 2014. Michigan State University agreed to pay $500 million to settle claims from more than 300 women and girls who said they were assaulted by Nassar, who is serving a life sentence in a federal prison. Reporting by The Associated Press. Want great stories delivered right to your inbox? Create or log in to your FOX Sports account, follow leagues, teams and players to receive a personalized newsletter daily!