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Mason Blake

Founder

Co-founder & CTO at Ratio · Founder at Upcounsel

San Francisco Bay Area

FoundedRatioUpcounsel

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About

Mason Blake is the founder and CTO of Car Genius AI. He previously co-founded Ratio Technologies and UpCounsel, the latter of which raised over $25M in venture capital and was acquired by LinkedIn in 2019. His career spans more than 20 years in startups, holding roles including lead developer, architect, product manager, and development manager.

Co-founder & CTO at Ratio

Intro paths

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In turn, Mason can intro founders to Ratio's investors below.

Ratio's investors · 7

8-Bit CapitalSan Francisco · $100K – $1M checksCervinPalo Alto · $250K – $6M checksCERVIN VENTURESFremont · since 2026Evolution VC PartnersNew YorkHoneystone VenturesPalo Alto · since 2026Monte Carlo Capital$350K – $1.5M checks · since 2026Streamlined VenturesPalo Alto · $100K – $1M checks · since 2026

Co-founders at Ratio

DKDavid Keane
David KeaneFounder & CEO
ASAshish Srimal
Ashish SrimalFounder

Founder at Upcounsel

Intro paths

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In turn, Mason can intro founders to Upcounsel's investors below.

Upcounsel's investors · 8

AiSprouts VCSan Francisco · $500K checks · since 2014AngelPadSan Francisco · $120K checks · since 2018Collaborative FundNew York · $500K – $1M checks · since 2018Costanoa VenturesSan Francisco · $500K – $8M checks · since 2018Cota CapitalSan Francisco · since 2018FundersClubSan Francisco · $290K checks · since 2018HomebrewBurlingame · $100K – $500K checks · since 2018Runway Venture PartnersNew York · $1M checks · since 2018

Co-founders at Upcounsel

MF
Matthew FaustmanExecutive Officer, Director, Promoter

Frequently asked questions

Who is Mason Blake?
Mason Blake is the founder and CTO of Car Genius AI. He previously co-founded Ratio Technologies and UpCounsel, the latter of which raised over $25M in venture capital and was acquired by LinkedIn in 2019. His career spans more than 20 years in startups, holding roles including lead developer, architect, product manager, and development manager.
Where does Mason Blake work?
Mason Blake is Co-founder & CTO of Ratio and Co-founder at Upcounsel.
What companies did Mason Blake found?
Mason Blake founded Ratio, Upcounsel.

Founder mafias

Car Genius AI mafia2

Also came through, then founded or led a company.

Steve GreenfieldInvestorFounded Automotive Ventures

About this profile. Compiled from public sources — Ratio's own website and public professional profiles — and summarised by Fundraising Fox; every fact is kept with where it came from. Spotted an error, or would rather not be listed? Email privacy@fundraisingfox.com · How we build profiles · Your rights