He was a Super Bowl champion for the St. Louis Rams and Green Bay Packers.
[2] He attended Washington High School in Cherokee, Iowa, and starred in football, basketball, and track.
[1][3] While there, he won two Division II All-America honors, was a two-time First-team Academic All-Conference pick, and as a senior, won the "Jim Langer Award", which is given to the nation's top Division II lineman.
[citation needed] Timmerman was voted a Pro Bowl alternate four consecutive seasons (1999, 2000, 2001, and 2002) and in 2001 he was called into duty to play in the Pro Bowl due to injuries to other NFC guards.
Timmerman returned to his agricultural farming back in Cherokee and became the general manager for ICON Ag and Turf (a John Deere dealer).