He was formerly the offensive line coach for Jackson State and the Hamilton Tiger-Cats of the Canadian Football League (CFL).
After two seasons at Oklahoma State, Markuson had the opportunity to become a graduate assistant at one of college football's traditional powerhouses, Notre Dame.
Markuson moved on to Murray State University under newly hired head coach Houston Nutt in 1993.
After suffering two consecutive losing seasons at Murray State in 1993 and 1994, Nutt and Markuson turned the program around.
He decided to bring Markuson and Bobby Allen, the inside linebackers coach and defensive coordinator for Murray State, with him to Boise, Idaho.
[2] Markuson debuted as the offensive line coach for the Wisconsin Badgers in January 2012, but was fired on September 9, 2012 after just two games, including a 10–7 loss to the Oregon State Beavers.
[5] Markuson has two children, Joy Noelle and Elliot Bryan, with his wife, Dottie (née Bryant).