John Flynn joined the South Dakota State University football staff in February 2012 as the Jackrabbits' offensive line coach.
Flynn arrived at SDSU after five seasons at Oklahoma, where he served first as a graduate assistant and later as offensive quality control assistant.
During his time as a member of Bob Stoops' coaching staff, Flynn served in a variety of roles, including assistant offensive line coach for Sooner teams that played in five bowl games, highlighted by an appearance the 2009 BCS National Championship. Flynn also assisted in coaching the team's running backs, tight ends and special teams units during his tenure at Oklahoma.
Three of the offensive linemen he coached — Trent Williams, Phil Loadholt and Duke Robinson — earned All-America recognition and later were selected in the National Football League Draft.
Prior to coaching, Flynn served as a coordinator for athletic academic services at Oklahoma, where he helped monitor the academic progress of more than 600 student-athletes.
As a player, Flynn lettered two times as an offensive lineman for Sooner teams that won Big 12 Conference titles in 2002 and 2004 and played in back-to-back BCS National Championship games.