He was most recently the head football coach at DePauw University, a position he held in 2004 and re-assumed in December 2012 until his retirement after the 2019 season.

He moved on to Butler University where was a four-year letterwinner as the quarterback for the football squad and a captain of the basketball team.

He quarterbacked the football team to a 28–12 record, led the nation in pass percentage in 1975, and often jokes that he "held" Larry Bird to 42 points in his final college basketball game.

His most successful year in Muncie came in 1996 when Lynch's Cardinals went 8–4, won the Mid-American Conference title, and played in the Las Vegas Bowl.

[2] Under Lynch in 2006, the Hoosiers offense scored their most points since 2001 and quarterback Kellen Lewis enjoyed one of the best freshman seasons in school history.

The Boys and Girls Club of Bloomington and Riley Children's Hospital of Indianapolis are two favorite causes of the team.

After being let go by Indiana, Lynch became the associate athletic director at his alma mater, Butler University in Indianapolis.

He held this position for nearly two years before being hired as the head football coach at DePauw University in Greencastle, Indiana.

Lynch replaced interim head coach Scott Srnka, who was promoted after Robby Long was fired mid-season.