Our Story

Most Wearables Track. We Train.

Breethly began with a stubborn question: why does everything measure your body, yet nothing trains the system that runs it? So we built the one that does.

The Thesis

Your Nervous System Runs the Show. Train It Like One.

Stress is the tax on modern life. The wearables on our wrists got very good at telling us how stressed we are, and stopped there. Watching a number rise is not the same as learning to bring it down.

Breath is the one lever you can pull on your nervous system, on demand, anywhere. We built a handheld device and a coach, BreathOS™, that turns each inhale and exhale into real-time feedback and measurable progress. Not a tracker. A trainer.

We call it Nervous System Fitness. Science you can feel, in a couple of minutes a day.

The Journey

From a Funded Idea to a NYC Launch.

Kickstarter, Funded

139 founding backers funded the first generation of Breethly: proof that people don't just want to track their calm, they want to train it.

Now

V2 In Development

A refined device and a smarter BreathOS™ are in build: sharper sensing, deeper guidance, and the feel of an everyday companion.

2026

NYC Launch

Breethly arrives in New York City, with the founding community first in line and founding pricing locked in.

The Team

Builders, Designers, and Scientists of the Breath.

A founding team that has shipped consumer hardware, scaled wellness brands, and pushed the science of human performance forward.

Advisors

The Minds in Our Corner.

Scientists, coaches, and operators who keep us honest, across performance physiology, neuroscience, behavior, and growth.

Dan DeLuis

Advisor · Performance & Breath

A high-performance coaching pioneer with two decades in breathwork, movement, and mindset. Dan has coached elite athletes, teams, and executives to greater resilience and clarity.

François Haman, PhD

Advisor · Human Performance Science

A globally respected physiologist and full professor at the University of Ottawa, with 20+ years researching human performance, energy regulation, and adaptation under stress.

Tony Passaro

Advisor · Neuroscience

A neuroscientist with 20+ years across research, biotech, and leadership, working at the intersection of brain health and real-world application to guide an evidence-led approach.

Ramy Mora

Advisor · Growth & Revenue

A growth executive who has led marketing and go-to-market at brands including HP, Intuit, Macy's, and Leesa, helping align product strategy with scalable, performance-first growth.

Colette Cook

Advisor · Wellness & Behavior

A wellness and human-performance expert in holistic coaching and behavioral change, helping ensure Breethly's training feels intuitive and easy to make a habit.

Jeromy Henry

Advisor · Product

A former Google Lead UX Designer and Netflix alumnus, Jeromy Henry is a product strategist who co-founded Juralio to optimize legal workflows. During an eight-year tenure at Google, he shaped major search interfaces—including mobile layouts, interactive cards, and the Knowledge Graph—before transitioning to senior product design and management roles at Netflix and Nubank.

What We Believe

The Principles We Breathe By.

Train, Don't Track.

Data is the start, not the point. Every signal we capture exists to make your next breath better: measurable progress you can feel.

Science You Can Feel.

Rigor without the white coat. We hold ourselves to evidence, then translate it into something simple enough to do between meetings.

Calm Is a Skill.

Resilience isn't a personality trait. It's trainable. We build the reps, the cues, and the feedback loop that make it stick.

Funded by 139 founding backers · 2,054 on the early-access list · Launching NYC 2026

Start training today.

Join the early-access list and start training the moment BreathOS launches. The Breath Coach device follows, and founding members get it first. Founding price, locked in.

No spam. One breath at a time.