About Old School Boxing
At Old School Boxing Gym, we believe boxing is more than just a sport — it’s discipline, lifestyle, and resilience. Since 2008, we’ve helped athletes and beginners push past limits. We fuse boxing fundamentals with fitness training for an experience that leaves you sharper and stronger every session.
Watch Our Story
Get an inside look at Old School Boxing — our philosophy, our coaches, and the community that makes us more than a gym.
Meet Our Coaches

Head Coach
Ernest Johnson
Veteran Professional Boxer and trainer with over 50 years of experience, focused on power, endurance, and mental toughness.

Assistant Coach
Ernest Johnson (aka EJ)
Former Professional Boxer, Olympic Athlete & Golden Gloves Champion training the next generation of fighters.

Assistant Coach
Jesse Cardenas
Over 17 years competing amateur and pro, worked at Mayweather Box+Fit and striving for excellence in & out the gym.

Fundamentals Coach
Eder Lopez
20+ year member of Old School Boxing with amateur experience; expert in boxing fundamentals and strong foundations.
Our Mission
To empower every member who walks through our doors — from first-timers to seasoned fighters — by providing world-class boxing instruction in a fun, supportive, and high-energy environment. We’re here to help you:
- Learn the art and science of boxing, step by step.
- Build real strength, speed, and endurance.
- Transform your mindset as much as your body.
- Leave every session feeling unstoppable.
Our Vision
To be San Diego’s home for boxing and fitness — a place where hard work meets community, and where every member achieves more than they thought possible. Our vision is bigger than just training:
- Create a culture where respect, grit, and growth thrive.
- Welcome beginners while forging champions through discipline.
- Foster a community where members push and support one another.
- Ensure everyone leaves sharper, stronger, and more confident than when they walked in.