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Nathan Brennan mid kettlebell swing in a training studio

Certified Trainer & Nutrition Coach

Move Pain-Free.
Perform Better.

Personalized strength and nutrition coaching, built around your bodynot a template.

In-person training starts with a paid consultation. Online coaching starts with a free strategy session.

Have questions first? Send Nathan a message.

Why clients trust Brennan Fitness Academy

Nathan Brennan holding a kettlebell at the rack position in front of a squat rack Image 1 of 4: Nathan Brennan holding a kettlebell at the rack position in front of a squat rack

Coaching built
around you.

How I coach

  • Built For You

    A program designed around your body, your sport, and your history — not a template.

  • Eyes On Every Rep

    Hands-on coaching that actually watches your form, not just your reps.

  • Nutrition Included

    Nutrition built into the training, not handed to you as a separate PDF.

  • Real Accountability

    Accountability that notices when you go quiet, not just when you show up.

Different people. Same push.

Seniors, attorneys, CEOs, teachers, stay-at-home parents, and NFL athletes have all trained with me — no two programs alike, but everyone got pushed past what they thought they could do.

Two ways to train

Same coaching standard either way. The difference is whether I'm in the room.

Nathan Brennan carrying dumbbells past a rack of slam balls In Person

Semi-Private & 1-on-1

Semi-private — small groups of two to five, your own program, real coaching. 1-on-1 — my full attention, every rep.

  • Personalized program built around you
  • Nutrition accountability via Trainerize
  • Take-home workouts between sessions

Starts with a $127 strategy session, arranged by message with Nathan.

Nathan Brennan rotating with a slam ball during a training session Online

Online Coaching

Full coaching, no gym required — weekly check-ins, messaging, and a call every two weeks.

  • Personalized fitness & nutrition plan
  • Weekly check-ins & direct messaging
  • Adapts to home, gym, or outdoors

Starts with a free strategy session. Programs run 12 weeks to 12 months — commit longer, pay less.

Not sure which one fits? Send Nathan a message.

Nathan Brennan standing with arms crossed in a training facility

Meet Nathan

Nathan Brennan sitting on a weight bench in front of racks of kettlebells and plates

Nathan Brennan
NASM-CPT · Precision Nutrition L1

A Southern California native who found the weight room through high school football and track — and never left it.

  • Certified & Credentialed

    NASM-certified with a B.S. in Exercise and Wellness from BYU, backed by Precision Nutrition and specialty certifications.

  • Rehab-Informed Training

    Clinical experience in a physical therapy clinic means every program is built to work around injuries, not push through them.

  • 10+ Years, Every Client

    From first-timers to NFL-level athletes, Nathan has coached every kind of client to real, measurable results for over a decade.

One conversation. No pressure. Then we decide.

I'll help you find your goals and clear whatever's standing in the way. Pick how you want to train, and you'll see exactly what that first step costs.

Ask About In-Person Training Paid Consultation

A short assessment workout, a real conversation about your goals, and a clear next step — $127. Message Nathan with your goals and your availability, and he'll set the time and sort out payment with you directly.

Book a Free Online Session Free Strategy Session

The online strategy session is free — no card, no charge, and no obligation to enroll.

Not ready to book? Reach Nathan first.