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Founder Profile

Brent Frei

Last reviewed: October 2026 · By Swet Parvadiya

Who is Brent Frei?

Brent Frei is a founder of Smartsheet, which was founded in 2005 with Mark Mader, Eric Browne and John Creason.

Company founded
Smartsheet
Founded
2005
Co-founders
Mark Mader, Eric Browne and John Creason

Background

Founder and former CEO of Onyx Software; Pacific Northwest enterprise software entrepreneur.

Founding Story

Brent Frei co-founded Smartsheet in 2005 in Bellevue, Washington, after founding Onyx Software, a CRM vendor he took public. He led Smartsheet in its first year before Mark Mader became CEO in 2006, and later served on the board. Brent Frei was born in 1966.

Sources

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