Our Staff

Bryant Powers - Co-Owner / COO / Head Coach

Bryant's fitness certifications:
• CrossFit Level 2 Certified
• Russian Kettlebell Certified
• USA Weightlifting Club Coach Certified
• Has attended and passed the USAWeghtlifting senior coach course at the Olympic Training in Colorado Springs, CO
• USA Gymnastics Safety Certified Professional
• USA Track and Field Level 1 Certified
• POSE Running Coach Certified
• CrossFit Barbell Certified
• CrossFit Kids Certified
• CrossFit Gymnastics Certified
• CPR Certified

Bryant's hobbies: Breakdancing, Indo boarding, Olympic Weightlifting and Gymnastics,

See Bryant's Ninja Warrior video by clicking here

Private coaching schedule:
Email me for info

Contact Bryant:
Email: bryant@crossfitoahu.com    |   Work: (808) 685-7628   |   Cell: (808) 351-0466

Craig Cates - Co-Owner / CEO

Craig's fitness certifications:
• CrossFit Level 2 Certified
• Total immersion Swimming Certified

Craig's hobbies: Climbing, Skiing, Hunting & Fishing

Private coaching schedule:
Call or e-mail me

Contact Craig:
Email: craig@crossfitoahu.com

Work: (808) 685-7629   |   Cell: (808) 271-2599

 

Courtney Johnson - Coach / Registered Dietitian

Courtney's certifications:

  • CrossFit Level 2 Certified
  • 3 years Crossfit Coach
  • USAW Olympic Weightlifting Club Coach
  • Crossfit Kids
  • Crossfit Barbell
  • Crossfit Gymnastics
  • Crossfit Endurance
  • Crossfit Nutrition
  • Crossfit Mobility and Performance
  • C2 Rowing with Olympian Erin Cafaro
  • Life/Performance Coach

Courtney's hobbies: dancing my face off, hiking, reading, the beach, wine, golf, being a resource, sky diving, snow skiing (in my past life)

Private coaching schedule:
M-W-F after 10am, T-TH anytime and Saturdays after 11am. Nutrition and performance/life coaching also available by appointment.

Contact Courtney:
Email: courtney@crossfitoahu.com    |   Work: (808) 685-7633

Marcus "The BADger" Dedina - Coach / Director of Media

Marcus' fitness certifications:
• CrossFit Level 2 Certified
• CrossFit Gymnastics Certified
• CrossFit Nutrition Certified
• CrossFit Running and Endurance Certified
• CrossFit Olympic Weightlifting Certified
• USA Weightlifting Club Coach Certified
• C2 Rowing Clinic with Olympian Erin Cafaro
• 3 years CrossFit Coaching Experience

Marcus' hobbies: Olympic weightlifting, skiing, wakeboarding, surfing, scuba diving, MMA and skydiving

Private coaching schedule:
Marcus is available for private coaching Monday, Wednesday and Friday from 12:30pm to 4:00pm

Contact Marcus:
Email: marcus@crossfitoahu.com    |   Work: (808) 685-7634

 Nicholas Hahn (Nick)  - Coach

Nick's fitness certifications:
• CrossFit Level 1 Certified
• USAW Olympic Weightlifting Club Coach Certified

Nick's hobbies: Olympic weightlifting

Private coaching schedule:
Not available

Contact Nick:
Email: nick@crossfitoahu.com    |   Work: (808) 685-7639

 

Cheryl M. Adkins  - Coach

Cheryl's fitness certifications:
• CrossFit Level 1 Certified
• USAW Olympic Weightlifting Club Coach Certified
• CrossFit Basic Barbell Certified

Cheryl's hobbies: Olympic weightlifting and triathlons

Private coaching schedule:
Not available

Contact Cheryl:
Email: cheryl@crossfitoahu.com    |   Work: (808) 685-7638

Karissa C. Shemluck  - Coach

Karissa's fitness certifications:
• CrossFit Level 2 Certified
• CrossFit Gymnastics Certified
• CrossFit Nutrition Certified
• CrossFit Running and Endurance Certified
• CrossFit Olympic Weightlifting Certified
• USA Weightlifting Club Coach Certified
• C2 Rowing Clinic with Olympian Erin Cafaro
• CPR Certified


Karissa's hobbies:  Olympic weightlifting, surfing, swimming, yoga and snowboarding

Private coaching schedule:
email or call for an appointment

Contact Karissa:
Email: karissa@crossfitoahu.com    |   Work: (808) 685-7829

 

  • Bryan Heinrich  - Coach / Community Director

    Bryan's fitness certifications:
    •     CrossFit Level 2 Certified
    • USA Weightlifting Club Coach Certified
  • Crossfit Olympic Weightlifting Certified
  • Crossfit Running and Endurance Certified
  • Crossfit Science of Exercise Certified
  • Crossfit Gymnastics Certified
  • Crossfit Nurition Certified
  • C2 Rowing Clinic with Olympian Erin Cafaro

    Bryan's hobbies: Olympic weightlifting, baseball/softball, golf, throwing darts, memorizing obscure facts, instigating ridiculous behavior

    Private coaching schedule:
  • Almost any time available by appointment

    Contact Bryan:
    Email: bryan@crossfitoahu.com    |   Work: (808) 748-8835

 

James Duggins  - Coach

James' fitness certifications:
• CrossFit Level 2
• CrossFit Nutrition
• CrossFit Gymnastics
• CrossFit Olympic Weightlifting
• CrossFit Running and Endurance
• CrossFit Mobility and Recovery
• USAW Olympic Weightlifting Club Coach
• Olympic Weightlifting Clinic w/ Coach Mike Burgener
• Basic Barbell Clinic w/ Coach Mark Rippetoe
• C2 Rowing Clinic w/ Coach Erin Cafaro

 

James' hobbies:
CrossFit, moving heavy things in a variety of ways, swimming in the ocean, improv comedy, skydiving, and talking excessively

Private coaching schedule:
My schedule varies, please call or email and we can discuss.

Contact James:
Email: james@crossfitoahu.com    |   Work: (808) 685-7637

Donny Crowder  - CFO Weightlifting, Powerlifting and Advance Athletics Group Coach

Donny's fitness certifications:

  •   USAW Certified Weightlifting Coach
  •   USAW Certified Sports Performance Coach
  •   Crossfit Level 1 Coach

Donny's Coaching Experience:

  Multi-sport High School Coach Since 1989
  USAW, USAPL, AAU, ICPLA and WABDL Coach and Competitor

Coaching schedule:

  See Program Section of website and at www.hawaiiweightlifting.com
  For Personal Training or Coach Call or Email me.

                                                   Cell: 808 599-0510 or email: donny@crossfitoahu.com

Ozzi G  - Parkour Conditioning Coach

Ozzi's fitness certifications:
• Crossfit Level I Certified
• Crossfit Gymnastics Certified
• 2 years Parkour Coaching experience.

Ozzi's hobbies: Parkour, Freerunning, acrobatics, MovNat training, climbing

Private coaching schedule: Email him at Ozzi@americanParkour.com
Not Available


 

 

Leighson Tanaka  - Coach

Leighson's fitness certifications:
• CrossFit Level 1 Certified
• USAW Olympic Weightlifting Club Coach Certified
• ACE PT Certified
• First Responder AED & CPR Certified

Leighson's hobbies: Olympic weightlifting, killing fires

Private coaching schedule:
not available

Contact Leighson:
Email: leighson@crossfitoahu.com    |   Work: (808) 748-8834

 

Erik "Dirty" Alvarez - Coach

Erik's fitness certifications:
• CrossFit Level 2 Certified
• CrossFit Gymnastics Certified
• CrossFit Olympic Weightlifting Certified
• C2 Rowing Clinic with Olympian Erin Cafaro
• CPR Certified
 

Erik's hobbies:  Olympic Weightlifting, wrestling, skateboarding, scrabble, eating paleo, learning random skills & keeping it real.

Private coaching schedule:
Email or call for info

Contact Erik:
Email: Erik@crossfitoahu.com    |   Work: (808) 685-7630  |   Cell: (209) 552-1392