Andrew McDermott is a gym owner, Brazilian Jiu Jitsu brown belt, and digital marketer. He’s on a mission to build premier, high-stakes grappling tournaments, world-class academies, and a championship team of high-level athletes.
Expertise
Brazilian Jiu-Jitsu
Gym management
Martial arts
Gym marketing
BJJ curriculum
Martial arts
Latest from
Andrew
How to Implement a BJJ Stripe System That Actually Improves Retention (Without Creating Drama)
Mindbody Fees: How Mindbody Affects Your Gym's Cash Flow
How to Streamline Gym Billing Processes (and Stop Losing Revenue)
IBJJF Belt Requirements Explained: Promotion Eligibility vs Competition Belt Rules
How to Build a Kids' BJJ Belt System That Actually Works
Your Guide to Jiu Jitsu Marketing: 7 Proven Strategies For Growing Your BJJ School
Starting a Kids Jiu Jitsu Program: A Practical Guide for BJJ Studio Owners
Is Zen Planner Worth It? A Smart, No‑Nonsense Verdict for Gym Owners
Zen Planner Review 2026: An Honest Look at Pricing, Features & Alternatives
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