Staff Umpires
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D31 Staff Umpires and
Regional/World Series Resumes
Dave Miller- Umpire in Chief
2012 Western Region- Big League
2017 Western Region- Majors
2021 Western Region- Majors
2023 Little League World Series
2025 Western Region- Majors *Crew Chief
Robert Hunt- Ast. UIC
2022 Western Region- Seniors
Eric Carter Ast. UIC
2024 Western Region Softball- Majors
2025 Southwest Region Softball- Majors
Mark Bernstein
1995 Western Region- Juniors Baseball
1999 Western Region- Majors
2000 European Region- Majors
2001 World Series- Seniors Baseball
2008 World Series- Majors
2024 Western Region- Majors *Crew Chief
2025 Juniors World Series *Crew Chief
Gary Graupmann
2002 Western Region- Juniors Softball
2009 World Series- Big League Softball
2019 World Series- Juniors Softball
Joel Ewan
2002 Western Region- Juniors
2004 Western Region- Juniors Softball
2011 World Series- Seniors Softball
2013 Western Region- Seniors Softball
2021- Western Region- Majors Softball
Jonas Jackson
2004 Western Region- Big League
2013 World Series- Intermediate 50/70
2018 Western Region- Majors Softball
2025 Western Region Juniors Softball
Heath Messenger
2017 Western Region- 50/70 Intermediate
2024 Western Region- Majors
2025 Western Region- Seniors Baseball
Mike Martello
2009 Western Region- Big League
Ryan Walker
Ken Judd
2016 Western Region- Seniors
Stephen Brinsfield
Paul Green
2019 Western Region- Juniors
Tom Naylor
John Guerra
2023 Western Region- Seniors
Bill Gee
2025 50/70 Intermediate Baseball
Matt Marino
Mike Deason
2017 Western Region- 50/70 Intermediate
Dustyn Simpson
Jason Kesler
2023 European Region- 50/70 Intermediate
Trevor Maziek
Sam Guillen
Shawn Workman
2024 Western Region Softball- Juniors
2025 Western Region Softball- Majors
Mark Van Dierendonck
Brian Cannon
Tyler Harmon
