Dumonceaux is in his 21st season on the coaching staff in 2026 and has served as the program's recruiting coordinator since 2013. The Johnnies have compiled a 177-42 (.808) overall record and a 128-25 (.837) mark in the MIAC with nine conference championships and 14 NCAA appearances during his tenure on staff.
A member of the Johnnies' 2003 national championship team and a three-year starter (2003-05) at nose tackle, Dumonceaux was a 2005 All-American and received a pair of national awards, Football Gazette's Defensive Lineman of the Year and D3football.com's Defensive Player of the Year, and received the MIAC Mike Stam Award as the conference's top lineman.
As a track and field student-athlete, Dumonceaux was a five-time All-MIAC (top three) honoree in the shot put, including the MIAC indoor champion in 2005 and the outdoor runner-up in 2004. He coached the Johnnies' throwers for 10 seasons from 2006-15.
Dumonceaux and his wife, Patricia, have a son, Fischer, and live in St. Joseph.
