Marks began his career in coaching at Colorado where he worked as an assistant speed and strength and conditioning coach from 2007 until 2009. He spent the next two seasons as a graduate assistant at the University of Sioux Falls. In 2012 he worked as the running backs coach at South Dakota State. In 2013 he went to Arkansas State where he worked as the assistant director of strength and conditioning under head coach Bryan Harsin.
Boise State
In 2014 Marks followed Harsin to his alma mater serving as an assistant strength coach. In 2015 he was made the team's running backs coach[1] a position he held until 2019. In 2019 he was given the additional title of director of special teams.
Fresno State
In 2020 Marks went to Fresno State where he was made the team's running backs coach, assistant head coach, and run game coordinator.[2] After it was announced that Kalen DeBoer would leave for Washington, Marks was named the team's interim head coach to coach the New Mexico Bowl.[3]
Washington
After Marks won the New Mexico Bowl, it was announced he would be following Kalen DeBoer to Washington and become the team's running backs coach.[4][5]
Memphis
In 2024 Marks went to Memphis to become the team’s running backs coach.[6]
^ abcKalen DeBoer was Fresno State's head coach for the regular season, before resigning. He led Bulldogs to a conference mark of 6–2 and a second place finish in the West Division of the Mountain West Conference. Marks served as interim head coach for the New Mexico Bowl. The Bulldogs compiled an overall record of 10–3 on the season.