Black Belt
10th Planet Jiu-Jitsu — under Prof Marshall, 10P Redlands
Veteran-Owned · Buckeye Built
Owner & Head Coach
Zack Holycross
From the Marine Corps to your corner.
10th Planet Jiu-Jitsu Black Belt under Prof Marshall. United States Marine Corps veteran. Started on the mats at 11. Built this academy in Columbus to empower the next generation of grapplers in central Ohio.
The Journey
From Ribiero
to Columbus
Age 11
First step on the mats — Ribiero Organization
Started Jiu-Jitsu at 11 years old training under the Ribiero Organization. Worked through Yellow, Orange, Blue, and Purple belts as a youth competitor — laying the foundation for what became a lifelong passion.
USMC
United States Marine Corps
Served honorably in the United States Marine Corps. The Corps brought a discipline and standard of accountability that still shapes how this academy is run.
10P Redlands
10th Planet — Brown Belt to Black Belt
After the Corps, continued training at 10th Planet Redlands under Prof Marshall. Earned both Brown and Black belts in the 10th Planet system.
Coaching
Coach at 10P Redlands · Cal State San Bernardino
Coached at 10th Planet Redlands and taught BJJ at Cal State San Bernardino — fueling a deeper passion for inspiring and educating new grapplers.
2023
10th Planet Columbus — Founded
Opened 10th Planet Columbus in central Ohio with one mission: cultivate skilled practitioners and a vibrant community here in Columbus through the values of resilience, discipline, and connection.
Credentials
Earned. Not handed.
Two decades of training, service, and teaching. The lineage is real, the standards are real, and the work is ongoing.
- 10th Planet Black Belt
- USMC Veteran
- Education Degree
- Ribiero Organization (Youth)
- Prof Marshall Lineage
- Cal State SB Instructor
What This Means For You
The standard sets the tone
Veteran
United States Marine Corps — honorable service
20+ Years
On the mats — Yellow belt at age 11 to Black belt today
In My Words
Why I built 10P Columbus
“Drawing on my diverse experiences and educational background, I’ve embarked on a new chapter by opening my own gym. My goal? To cultivate not just skilled practitioners, but a vibrant community here in Columbus, Ohio. Through no-gi Jiu-Jitsu, I aim to instill values of resilience, discipline, and connection. Join me as we empower the next generation with a love for this incredible sport and build a stronger, more connected community along the way.”
— Zack
Step Onto the Mats
Try a free class.
Build something real
One free class. No pressure. We’ll show you the system, introduce you to the team, and help you book your first session.