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Product5 min read

Why We Built Matter

Coaches rely on gut instinct. Athletes wear $500 wearables with no way to act on the data. We built Matter to close that gap.

HN

Henry Newhall

Founder & CEO

The Problem I Watched Every Day

As a D1 swimmer at Colgate and a certified athletic trainer, I sat between two worlds: athletes who wore expensive wearables generating mountains of data, and coaches who still made decisions based on gut instinct and who "looked tired" in warm-ups.

The disconnect was absurd. An athlete's Apple Watch knew their HRV was declining three days before a shoulder injury. But that data sat locked in an app on their phone, invisible to the coaching staff.

What Coaches Actually Need

Coaches don't need another dashboard. They need three things:

  1. Know who needs attention before practice starts. Not after. Not during. Before.
  2. Get recommendations they can trust. Backed by evidence, not vibes.
  3. Automate the data review. They're coaching, not doing data entry.

The Insight That Changed Everything

The breakthrough wasn't technology — it was realizing that the AI shouldn't just display data. It should act on it.

When an athlete's HRV declines for three consecutive days, the AI shouldn't wait for a coach to notice. It should:

  • Flag the athlete proactively
  • Search the research for the best intervention
  • Auto-adjust tomorrow's workout
  • Have a briefing waiting when the coach opens the dashboard

That's not a dashboard. That's an AI coaching assistant.

What We Built

Matter is the first platform where AI actually coaches alongside you:

  • A daily readiness and risk review flags illness warning signs, overreaching and readiness trends, and drafts workout adaptations for coach approval
  • 44 AI functions analyze your team 24/7
  • Research grounding — the AI cites published sport science it finds via live web search, plus built-in NSCA and ACSM guidance, alongside your athletes' data
  • Voice-first — ask questions from the sideline and get answers in 3 seconds

What's Next

We're in early access with coaches across D1 swimming, track & field, and club sports. If you're a coach who believes data should drive decisions (not just sit in an app), book a demo and see what AI coaching looks like.

The future of coaching isn't gut instinct vs. data. It's gut instinct plus AI. And we're building that future.

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See Matter in action

15-minute demo with a real team dashboard — 40 athletes, live AI, no slides.

Book a Demo

ACAC Main Line

The week, with Coach chat beside it

ACAC Main Line, the published demo roster. Ask about a session. The reply is already filled, and nothing is written from this page.

ACAC Main Line

Week of Oct 19

  • +1
  • +1

Sprint Set — 12x50 Max Effort. 80 min, 2,286 m.

Coach chat

You

Why does Tyler Brooks need me?

Matter

Readiness 52 against his usual 79. Sleep last night was 5.4 h, and HRV is 64 ms against 78 ms. He wrote “Slept 5 hrs. Bio exam tomorrow.” Last Thursday he faded from 25.4 to 27.6. The draft above turns the 55 min sprint into an easy swim. Nothing is written until you Approve.

You

Put the draft where I can read it.

Matter

It is the card on this page. Nothing is written until you Approve.

Nothing is sent