# Raphael Certain

> Raphael Certain is the founder and CEO of Clarity, a Franco-American neurotechnology company building a wearable virtual-reality headset that delivers personalized light and sound stimulation at gamma frequencies to support the aging brain. A self-taught entrepreneur who pivoted from marine biology to neurophysiology, he turned a master's thesis at the Neurodegenerative Diseases Institute in Bordeaux into a venture-backed company. By 24 he had raised more than $1.3 million, assembled an international team of 20-plus people across Paris and San Francisco, and built partnerships with leading universities in the US and UK.

- **Role:** Founder & CEO at Clarity
- **Organizations:** Clarity (Clarity Technologies)
- **From:** Near Toulouse, France
- **Nationality:** French
- **Education:** Marine biology studies, University in Brest, France, Bachelor's (biology / psychology, neurophysiology focus), Universite du Quebec a Trois-Rivieres, Canada, Master's degree (thesis on translating brain-wave stimulation to human treatment), Neurodegenerative Diseases Institute, Bordeaux, MSc, Entrepreneurs, X-HEC Entrepreneurs (HEC Paris / Ecole Polytechnique), incl. semester at UC Berkeley
- **Known for:** Founded Clarity, a Franco-American neurotechnology company based in Paris and San Francisco, Raised more than $1.3 million in funding by age 24, Built an international team of 20+ people

## Career timeline

- **age 13** — Completed an internship at a CNRS neuroscience lab in Toulouse observing sleep and dreams research
- **age 17** — Moved to Brest to study marine biology, drawn by a passion for the ocean
- **—** — Bachelor's year in Trois-Rivieres, Quebec, pivoting toward neurophysiology and neuropsychology
- **—** — Master's at the Neurodegenerative Diseases Institute in Bordeaux; thesis became the basis for Clarity
- **—** — MSc X-HEC Entrepreneurs, with a semester at UC Berkeley in Silicon Valley
- **—** — Founded Clarity, a neurotech company developing non-invasive brain stimulation
- **by age 24** — Raised more than $1.3M, built a 20+ person international team and university partnerships in the US and UK
- **2024** — Completed first clinical feasibility and safety study; results published in Scientific Reports

## Achievements

- Founded Clarity, a Franco-American neurotechnology company based in Paris and San Francisco
- Raised more than $1.3 million in funding by age 24
- Built an international team of 20+ people
- Established partnerships with leading universities in the US and UK and 6+ academic and hospital institutions worldwide
- Completed a first clinical feasibility and safety study with results published in Scientific Reports
- Recruited a senior leadership team including a Chief Scientific Officer and a co-founder COO

## Latest updates

- **2024-04** — Seed-stage funding round (latest funding listed as Seed).
- **2024** — Completed first clinical feasibility and safety study with results published in Scientific Reports; planning a larger efficacy trial.

## Links

- Website: https://clarity-technologies.com
- LinkedIn: https://www.linkedin.com/in/raphael-certain/
- Twitter/X: https://x.com/raphael_certain
- YouTube: https://www.youtube.com/channel/UCHROpgRdMZ2p-fu6X45t2lw
- Instagram: https://www.instagram.com/raphaelcertain/

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Profile page: https://yespress.io/raphael-certain
Published by YesPress — https://yespress.io
Last updated: 2026-06-21