Billy Kirch is the Defensive Coordinator at South Dakota, coaching since 2025. Staff history at 1 school, the head coaches he worked under and the players he coached.
Updated Nov 13, 2026Sources: school staff directories, TransferPortl coaching tenures, CFBD
Staff History by Season
1 stint- 2025-2026
South DakotaDefensive Coordinator
Coaching Tenure Timeline
1 stopsHead Coaches He Worked Under
2- Matt VitzthumSouth Dakota, 2026
- Travis JohansenSouth Dakota, 2025