Guillaume
Hamon

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Founder & Operator

Building brands

and companies into

category leaders.

Founder, REJOUICE.

Co-founder, VONDER.

Guillaume
Hamon

Guillaume Hamon

About

For the past 13 years, I’ve worked with founders and investors to turn early ideas into market-defining brands and companies.

In 2013, I co-founded Oui Will, where I collaborated with companies such as Rivian and Oura Ring.

In 2022, I founded REJOUICE to rethink venture–agency partnerships.

In 2026, I became Co-Founder & Chief Brand Officer at VONDER, the world’s first intelligent fashion eyewear brand.

Based in San Diego, California, and always happy to connect and exchange ideas.

Feel free to get in touch.

Awards

Awwwards (SOTD) x27
FWA (SOTD) x16
Webby Award for Best eCommerce x1
Webby Nomination x5
Site Inspire x3
Behance featured x2
And more...

Experience

(2026—Current)
    Vonder, Co-founder, Head of
    Brand& Partnerships
    San Francisco

(2022—Current)
    Rejouice, Founder
    & ECD
    San Diego, Paris

(2019—Current)
    The Webby Awards
    Jury Member

(2013—2022)
    Oui Will, Founder
    & ECD
    San Diego, Paris

Clients

Chanel
LVMH
Omega
Blancpain
Rivian
Oura Ring
Equinox
Rappi
Vonder
Tensor

 

Expertise

Brand Strategy & Positioning
Brand Architecture & Systems
Creative & Design Leadership
Stakeholder & Executive Alignment
Talent, Team & Organizational Leadership

Transforming visions
into remarkable brands.

I work with founders and investors to unlock the unrealized potential of their brands and portfolios. Through creative and strategic thinking, I help shape category leaders that attract talent and capital.