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The Noise Floor

For coaches, clinicians, and performance staff. My newsletter covers performance science, measurement, and longevity from 12 years leading NBA performance staffs. Subscribe and get the free one-page Noise Floor Cheat Sheet: SEM, MDC, SWC, and the one test to run before you trust any metric.

Free to join. Practical notes on what the data actually says, delivered to your inbox.

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From data to action

Most people already have more data than they know what to do with. My job is to turn it into a few clear decisions you can act on. It's how I worked in the NBA, and it's what I help sports technology companies do for the people who use their products.

01

Collect

Wearables, force plates, movement screens, labs, sleep, and workload. We gather the right inputs, not every possible one.

02

Interpret

Cut through the noise to what actually matters for you: your body, your goals, and where you are right now.

03

Act

Clear decisions for training, recovery, and daily habits. Then we track the results and adjust as you go.

Tools I trust

Testing, tracking, and biologics I use or have vetted. Interested in biologics? Email me and we’ll talk it through. Some links are affiliate links, so I may earn a small commission at no extra cost to you.

My own kit

Know Your Noise Floor: Personal Baseline Kit

Paste in your daily HRV, resting heart rate, sleep, or jump numbers and the kit builds your personal baseline and tells you whether today's change is real or just noise. Includes a step-by-step guide and a spreadsheet with a team test-retest tab for coaches.

$39 one-time, instant download

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By purchasing, you agree to the Program Terms, including the assumption of risk and release of liability.

Function Health lab testing dashboard

Testing & Tech · Function Health

Whole-Body Lab Testing

Why I use it: More than 160 lab tests a year, tracked over time in one dashboard. It's the baseline data that tells you what to actually work on.

Code: KLYLES13 (applied through my link)

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Silver Oura Ring showing its inner sensors

Testing & Tech · Oura

Oura Ring

Why I use it: A smart ring that tracks sleep, readiness, heart rate variability and recovery around the clock. It's the easiest way I know to turn daily data into decisions about when to push and when to recover.

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Regenerative Research Group logo

Biologics · RRG

Regenerative Research Group

Why I use it: RRG makes biologic products for licensed clinics, processed in an FDA-registered, CLIA-certified lab. Biologics aren't one-size-fits-all, so I'd rather talk it through with you directly.

Interested in biologics? Email me and we’ll talk.

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Notes on whole-person performance

A weekly post on what elite, whole-person care for professional athletes looks like, and how the same approach works for everyone else.

October 19, 2026 The work around the workouts For 12 years, my job was keeping NBA players on the floor. People assume that means workouts. Honestly, the workouts were the easy part. Read the post

Talk shop or collaborate

Coaches, clinicians, and performance staff: if you want to compare notes on measurement, build something together, or collaborate on a project, email me.

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