About Us

Your Carbon Fiber Experts

Common Fibers was founded by Ann and Gabe Mountjoy in 2013, shortly after graduating from Cal Poly, SLO with their engineering degrees.  Since then CF has brought together a team of creative, like-minded individuals all on a mission to Make Carbon Fiber Casual! 


Co-Founder & CEO

Ann Mountjoy

Co-Founder & COO

Gabriel Mountjoy

Engineering & Design

Spencer Dineen

Business Development

Jamie Dineen


Production Manager

Corey Clark

VP of Sales

Rob Clarkson

Production Associate

Sandra Chavarin

Production Associate

Selvin Gonzalez


Production Associate

James Metzger

Production Engineering

Erik Burns

Production Associate

Joe McIvor

Chief Officer of Fun

Pyra Louis


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