Welcome to Kubinski Baseball Factory
Home of KBF Bruins Baseball Club
Coaches
Meet the KBF coaches
Our staff is led by former MLB pitcher Tim Kubinski and includes experienced, high-level coaches Lance Marks, Bill Grundler, and Vic Ecklund. Our team is dedicated to player development, positive mentorship, and a deep understanding of the game. At KBF, we focus on building confident, skilled athletes on and off the field.
Tim Kubinski
Founder|Head Coach
Played Youth SLO Baseball: 1981 - 1984
Played SLO Babe Ruth: 1985 - 1988
SLO High School 4A Player of the Year
Team USA Goodwill Games 1990 in Japan
6 Time PAC 12 Pitcher of the week
All PAC 12 Conference 1993
UCLA Student and Player
Retired Oakland A's MLB Player|Drafted 1993
Oakland A's Minor League Pitcher of the Year 1996
Coached Kids Locally since 2012
Dedicated to Kids Playing For Fun; Free and Fearlessly
Bill Grundler
Strength and Conditioning
Arizona High School Wrestling Champion
California Collegiate D Wrestling Champion
National Lifeguard Beach Flags Finalist
Cal Fire SLO County Fitness Coordinator
CrossFit Games Commenter
CrossFit Level 4 Coach
CrossFit Masters Division World Runner Up
Multi-Year CrossFit Games Open Champion
Hosts Worldwide 'Masters Experience' Seminars
CrossFit Inferno Owner | Est. 2008
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Lance Marks
Assistant Head Coach
Dana Hills High School Career Homerun Leader 1988-1990
Former High School Career Homerun Leader |Orange County|
3rd Round Draft Pick Atlanta Braves 1990
Appalacian League Champion | All Star 1991
Competed with and Against MLB All Stars, MVPs and Hall of Famers
Son of Gary Marks, Pepperdine University Baseball Head Coach
7 Years Baseball and Softball Coach Specializes in Hitting | Defense | BaseRunning
Cal Poly Graduate | Graphic Designer
|Art Director|
Vic Ecklund
Assistant Coach
SLO High Head Football Coach - 15 years
CIF-Southern Sec. Div. IV Football Champion
SLO High Head Baseball Coach
SLO High Athletic Director - 6 years
Mission Prep Athletic Director (2024)
Lead Royals in Northern League (Football) & PAC 8 (All Sports)
More than 30 years of coaching experience
Known for building strong, competitive, values-based programs
Ben Newton
Fielding, Catching, Hitting
Athletic's AAA Affiliate - Las Vegas Aviators
2B/ C/ Infield/ Catcher
Fresno State Bulldogs
All Mountain West Second Team
Started in all 62 games for the Bulldogs
Led conference in doubles
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