He has previously served as the offensive coordinator and quarterbacks coach at the University of Nevada, Las Vegas from 2023 to 2024.
In his first season at Tulsa, Marion led the nation in yards per reception at 31.9, breaking an FBS record in the process.
Marion finished the season with 39 receptions for 1,244 yards and 11 touchdowns and was named Conference USA Newcomer of the Year.
He earned first-team All-Conference USA honors, leading the nation in yards per reception for the second consecutive season.
Marion resigned and moved to Pennsylvania to take another head coaching position at Waynesboro Area Senior High School in 2014.
[4] In 2019, Marion followed head coach Mike London from Howard over to the College of William and Mary where he began serving as offensive coordinator.
Marion resigned from his position at William & Mary to serve as the wide receivers coach on Todd Graham's inaugural staff at Hawaii for the 2020 season.
[5] On February 15, 2021, Marion joined the staff at the University of Pittsburgh as the wide receivers coach.