About Xtheory
Built around measurement, not motivation.
The studio

Why we exist
Xtheory exists because most people trying to change their body are working from bad information. A bathroom scale, a mirror and a rough sense of whether the week went well is not enough to tell whether you are gaining muscle, losing it, or holding steady while fat shifts around.
We start with a precise measurement, spend real time explaining it, and then help you decide what to do about it. Then we measure again, because a plan that cannot be checked is just a preference.
How we work
Three commitments.
- 01
Measure first
No programme, no recommendation, no opinion before there is a baseline to argue from.
- 02
Explain honestly
Including when the honest answer is that a number is within noise, or that a question belongs with your doctor.
- 03
Stay in scope
We measure body composition and coach around it. We do not diagnose, and we say so plainly.
Team
Who you will be sitting with.
- Photography · team
Team portrait. Consistent treatment across all portraits: same lighting, same background, same crop.
/media/team-1.jpg[Team Member Name]
[Role / Credential]
[Short biography — background, credentials and what they focus on with clients.]
- Photography · team
Team portrait, matching the first exactly in lighting, background and crop.
/media/team-2.jpg[Team Member Name]
[Role / Credential]
[Short biography — background, credentials and what they focus on with clients.]
The method
Measure. Understand. Improve. Re-measure.
- 01Measure
- 02Understand
- 03Improve
- 04Re-measure
One location, in Walnut Creek.
Walnut Creek, CA. Monday to Friday, 9 AM to 5 PM.
Your baseline starts here.
One appointment gives you a precise measurement and someone to explain it. Everything after that is easier to decide.
- 01Measure
- 02Understand
- 03Improve
- 04Re-measure
