Head Instructors

David Arnebeck

  • Over 40 Years Mixed Martial Arts Experience
  • Over 30 Years Teaching Experience
  • Founder: Warrior’s Cove Martial Art Centers
  • Founder & Master Instructor: Shinbudo MMA System
  • Rickson Gracie Black Belt: Brazilian Jiu Jitsu
  • Official Rickson Gracie Instructor: Brazilian Jiu Jitsu
  • 3rd Degree Black Belt: Tang Soo Do
  • Certified Kyo Sah Instructor: Tang Soo Do
  • Assistant Instructor: Wing Chun Kung Fu
  • Assistant Instructor: Chi Kung Kung Fu
  • Brown Belt: Danzan Ryu Jiu Jitsu
  • Extensive training in: Boxing, Weapons, Meditation
  • Systems Designer: Self-Emergent Training Environments
  • 8 International & National Championship Titles in both Sparring & Grappling Competitions
  • Numerous 1st Place Wins in Regional Black Belt Tournaments

Carolyn Arnebeck

  • Certified Core Power Yoga Instructor
  • Certified Instructor: Aerobic Kickboxing
  • Assistant Instructor: Women’s Self-Defense
  • Gold Belt: MMA (Basic Level)

Tom Crone

  • Co-Founder: North Star Judo
  • 7th Degree Black Belt in Judo
  • Highest Ranked Judo Master in Minnesota
  • Over 45 Years of Judo Experience
  • Six time Minnesota State Judo Champion
  • Pan-Am Team Alternate
  • Served 5 Yrs National Jr Olympic Coaching Staff
  • Trained and coached six 1996 Judo Olympians
  • Co-author of The Basics of Judo

Chris Daeger

  • Acting Instructor: MMA
  • Blue Belt: MMA (Advanced Level)
  • Former Navy SEAL

Nate Howe

  • Acting Instructor: MMA
  • Blue Belt: MMA (Advanced Level)
  • Competition Team Captain
  • Professional MMA Fighter

Michelle Holtze

  • Co-Founder: North Star Judo
  • 6th Degree Black Belt in Judo
  • Over 35 Years of Judo Experience
  • 2000 Pan Am Judo Competition – Silver Medal
  • 2003 World Judo Championships – Gold Medal
  • 2005 Elected to Board of Directors – U.S. Judo Assn

Chris McWethy

  • Certified Instructor: Eskrima

Ben Neumann

  • Acting Instructor: MMA
  • Blue Belt: MMA (Advanced Level)
  • Competition Team Captain
  • Professional MMA Fighter

Mike Norton

  • 2nd Degree Black Belt in Judo

Christina O’Brien

  • 2nd Degree Black Belt in Judo

Jesse Reine

  • Acting Instructor: MMA
  • Blue Belt: MMA (Advanced Level)
  • Competition Team Captain

Full Name:        Phone:

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Assistant Instructors

Phil Clubb

  • Assistant Instructor: MMA
  • Blue Belt: MMA (Advanced Level)

Jody Brown

  • Assistant Instructor: MMA
  • Red Belt: MMA (Intermediate Level)

Ed Burke

  • Assistant Instructor: MMA
  • Red Belt: MMA (Intermediate Level)

Lance Christianson

  • Acting Assistant Instructor: MMA
  • Red Belt: MMA (Intermediate Level)

Joe Davis

  • Assistant Instructor: MMA
  • Blue Belt: MMA (Advanced Level)

Dan Grindle

  • Assistant Instructor: MMA
  • Blue Belt: MMA (Advanced Level)

Joe Hall

  • Assistant Instructor: MMA
  • Blue Belt: MMA (Advanced Level)
  • Competition Team Member

William Jeans

  • Assistant Instructor: MMA
  • Assistant Instructor: Kickboxing
  • Red Belt: MMA (Intermediate Level)

Ehsan Karamafrooz

  • Acting Assistant Instructor: MMA
  • Red Belt: MMA (Intermediate Level)

Mark Lessard

  • Assistant Instructor: MMA
  • Red Belt: MMA (Intermediate Level)

Patrick McIntyre

  • Assistant Instructor: MMA
  • Red Belt: MMA (Intermediate Level)
  • Competition Team Member

Tom Mondragon

  • Assistant Instructor: MMA
  • Blue Belt: MMA (Advanced Level)

Jeff Piri

  • Assistant Instructor: MMA
  • Gold Belt: MMA (Basic Level)

Thomas Purdue

  • Acting Assistant Instructor: MMA
  • Red Belt: MMA (Intermediate Level)

Dan Schneidkraut

  • Assistant Instructor: MMA
  • Red Belt: MMA (Intermediate Level)

Charlie Schultz

  • Acting Assistant Instructor: MMA
  • Gold Belt: MMA

Dan Smith

  • Assistant Instructor: MMA
  • Red Belt: MMA (Intermediate Level)

Seth Swanson

  • Assistant Instructor: MMA
  • Blue Belt: MMA (Advanced Level)

Jamie Tresidder

  • Assistant Instructor: MMA
  • Red Belt: MMA (Intermediate Level)

Joe Westerlund

  • Assistant Instructor: MMA
  • Blue Belt: MMA (Advanced Level)
Get Started Today!!
If you are interested in taking one or more classes at the Warrior’s Cove, you may visit to observe the classes. We have a seating area for visitors. You may also participate in one free class – in each program that we offer.  You will find our instructors and the other members to be friendly, informative, and supportive. Simply fill out the GET YOUR FREE TRIAL form above to get started today! 

Please contact us if you have any questions.