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 training a boxer at Old School Boxing & Fitness in San Diego

Head Coach

Ernest Johnson

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

Coach Ernest Johnson (EJ) training a boxer at Old School Boxing & Fitness in San Diego

Assistant Coach

Ernest Johnson (aka EJ)

Former Professional Boxer, Olympic Athlete & Golden Gloves Champion training the next generation of fighters.

Assistant Coach Jesse Cardenas helping youth boxers at Old School Boxing & Fitness in San Diego

Assistant Coach

Jesse Cardenas

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

Coach Eder Lopez teaching beginner boxing fundamentals at Old School Boxing & Fitness in San Diego

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.