The training philosophy at Defiant emphasizes camaraderie, discipline, and hard work. Students are empowered through learning self-defense, improving fitness, and building skills for competition while becoming proficient in BJJ, grappling, and submission wrestling. The academy applies a hands-on approach during instruction that supports individual fitness goals and allows students to truly enjoy themselves. The school offers programs tailored to meet a wide set of goals—from character development in kids' classes to technique refinement for adults, and empowerment and support at women's-only events.
Head instructor Dave Margraf is a black belt who has trained for over 20 years with nearly a decade as an instructor, earning his black belt in 2016 and winning multiple IBJJF competitions. Kenzie Margraf, who runs the youth program, is a certified personal trainer with a Bachelor's degree in kinesiology (exercise science) and a minor in sports coaching. She offers personal training for general fitness and specializes in programming tailored to Jiu-Jitsu athletes. With their combined experience, Dave and Kenzie have built a strong culture where positivity grows through camaraderie and encouragement between students and instructors. The school hosts frequent open mat opportunities, guest seminars, and women's-only events to provide comprehensive training experiences.
Head Instructor
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Class Schedule
Monday (6 classes)
Jiu-Jitsu Drills
Focused drilling sessions to refine technique and build muscle memory
All Levels Jiu-Jitsu
BJJ program suitable for all skill levels training in the gi, emphasizing technical development and live training
Youth Jiu-Jitsu Homeschool Class
Daytime BJJ class designed for homeschooled children ages 5-15
Youth Jiu-Jitsu Ages 5-15
Fun and educational BJJ program for children ages 5-15, focusing on character development, discipline, and fundamental techniques
BJJ Fundamentals Gi
Beginner-friendly BJJ program focusing on core techniques, grips, leverage, and technical precision in the gi
Advanced Jiu-Jitsu
Advanced BJJ program for experienced practitioners focusing on complex techniques and competitive training
Tuesday (2 classes)
Standup Grappling
Wrestling and standup grappling techniques including takedowns and clinch work
SubG All Levels NoGi
No-Gi grappling program focusing on fluid movement, wrestling-based takedowns, and rapid transitions
Wednesday (4 classes)
All Levels Jiu-Jitsu
BJJ program suitable for all skill levels training in the gi, emphasizing technical development and live training
Youth Jiu-Jitsu Ages 5-15
Fun and educational BJJ program for children ages 5-15, focusing on character development, discipline, and fundamental techniques
BJJ Fundamentals Gi
Beginner-friendly BJJ program focusing on core techniques, grips, leverage, and technical precision in the gi
Advanced Jiu-Jitsu
Advanced BJJ program for experienced practitioners focusing on complex techniques and competitive training
Thursday (3 classes)
Youth Jiu-Jitsu Ages 5-15
Fun and educational BJJ program for children ages 5-15, focusing on character development, discipline, and fundamental techniques
Sparring/Strength & Conditioning (Members Only)
Members-only strength and conditioning sessions tailored for BJJ athletes
SubG All Levels NoGi
No-Gi grappling program focusing on fluid movement, wrestling-based takedowns, and rapid transitions
Friday (3 classes)
All Levels Jiu-Jitsu
BJJ program suitable for all skill levels training in the gi, emphasizing technical development and live training
Youth Jiu-Jitsu Ages 5-15
Fun and educational BJJ program for children ages 5-15, focusing on character development, discipline, and fundamental techniques
Open Mat (All Welcome)
Free training time for all members to practice techniques and spar
Saturday (3 classes)
Youth Jiu-Jitsu Ages 5-15
Fun and educational BJJ program for children ages 5-15, focusing on character development, discipline, and fundamental techniques
Breakdancing for Jiu-Jitsu
Movement and mobility training using breakdancing principles to improve BJJ performance
Open Mat (All Welcome)
Free training time for all members to practice techniques and spar
Pricing information coming soon