Fat Loss Starts with a Plan. Not Punishment.

Forget the fads. This is fat loss done right.
Our approach is grounded in science, not gimmicks. No extreme restrictions, no crash diets, no scammy detoxes.

Just smart, sustainable strategies designed to help you lose fat, preserve muscle, and build habits that stick. Whether your goal is to feel better, move better, or finally break the cycle of yo-yo diets, we’ll help you get there and stay there.

Jon Brown,

CSCS, CPT, Pn1, Habit Coach

Jon Brown founded Empirical Fitness in 2019 with a simple mission: to help people achieve real results with real methods. His passion for fitness, and for cutting through the noise of bad advice, led him to create programs rooted in science, not fads.

With over 13 years of experience in body recomposition — the process of building muscle while losing fat — Jon helps clients reshape their physiques and rethink what’s possible. His flexible, personalized approach includes:

  • a customized workout plan
  • nutrition guidelines specific to your goals
  • regular check-ins
  • guided workout sessions, in-person or virtual

Whether you’re training at home, in the gym, or on the go, Jon makes sure you have everything you need to stay consistent and keep progressing.

Transformation photo of a many who lost lots of body fat to reveal defined muscle underneath
Transformation photo of a many who lost lots of body fat to reveal defined muscle underneath

[Jon] was incredibly knowledgeable about techniques for easing and relieving the nerve pain…

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Lynette Thomas

Client

I’ve worked with Jon at Empirical fitness for almost 5 years now… I’ve never worked with another trainer that took the time and effort I’ve seen him put into his clients.

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Dillon Nassour

Client

Speaking as a massage therapist that focuses on sports therapy, I cannot recommend or praise anyone higher.

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Fabian Guerrero

Client

Age is not a limitation and Jon will help you achieve your fitness goals.

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Kimberly Weinberg

Client

I’ve been working remotely with Jon as my personal trainer for a few months, and I couldn’t be happier

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Jessica Patton

Client

Jon helped me recover from a skydiving injury much more quickly than I would have by following the exercises given by my physician. I could not be more pleased 🙂

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Ron Losefsky

Client

Customized Training. Real Results.

Schedule a strategy call to get started.

6806 Kenosha Pass Unit A Austin, TX 78749 | 210-535-7516 Empirical Fitness, LLC 2025. All rights reserved​