Oregon linebackers coach Don Pellum has been promoted to defensive coordinator, head coach Mark Helfrich announced Tuesday.
Pellum has had 23 years of coaching at Oregon including the past 14 seasons in charge of the linebackers.
Pellium replaces Nick Aliotti, who retired as the school's defensive coordinator after 17 seasons following the Ducks' 30-7 win over Texas in the Valero Alamo Bowl.
"This is a challenge I welcome with open arms," Pellum said in a statement. "I have been fortunate to enjoy a long relationship at an institution that means a lot to me as well as the luxury to work with a lot of class coaches and athletes. I certainly have benefitted from the knowledge handed down to me from numerous head coaches and coordinators but head into this next phase of my career anxious to implement ideas of my own.
"I am grateful to Coach Helfrich and the University of Oregon for the confidence they have bestowed upon me and am excited to add to the success this program has enjoyed."
Pellium will continue his role coaching Oregon's inside and weak-side linebackers.
Pellum, who played linebacker for Oregon, has never been a defensive coordinator.
"Don Pellum is a great teacher and one of the best communicators I have ever been around," Helfrich said. "The entire defense will benefit from his demanding preparation, with an emphasis on discipline and relentless effort.
"The cultural continuity is a bonus in elevating DP to a position of greater leadership and influence in our program."