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David Yaffe

InvestorFounder

Founder at Estuary

New York, New York

Writes $100K – $5M checks · typically $1.5M

FoundedEstuary

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About

David Yaffe is Co-Founder of Estuary Development, a company focused on real-time data access. He previously co-founded Arbor, a marketing technology company acquired by LiveRamp.

Founder at Estuary

Intro paths

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In turn, David can intro founders to Estuary's investors below.

Estuary's investors · 8

Breakpoint CapitalAspenEudemian VenturesSan FranciscoFirstMark CapitalNew York · $500K – $8M checksGaingelsNew York · $200K – $500K checksM13New York · $4M – $7M checks · since 2025Swift VenturesSan FranciscoVintheraWhoa I Lp, By: Whoa Ventures

Co-founders at Estuary

JG
Johnny GraettingerFounder

Investments

Per curated public sources.

Network8

Alex BlumScout
Principal at MML UK Advisor
Auren HoffmanScout
General Partner at Flex Capital Partners
Charlie SonghurstScout
Sr. Venture Partner at Acequia Capital (AceCap)
Jim PayneScout
Founder / General Partner at Breakpoint Capital
David Beisel
Co-founder and Partner at NextView Ventures
Eric Franchi
General Partner at Aperiam Ventures
Jonah Goodhart
Investor at WGI Group
Sophie Forest
Partner at Brightspark Ventures

Investors connected to David in public investor directories — a warm-intro map.

Frequently asked questions

Who is David Yaffe?
David Yaffe is Co-Founder of Estuary Development, a company focused on real-time data access. He previously co-founded Arbor, a marketing technology company acquired by LiveRamp.
Where does David Yaffe work?
David Yaffe is Founder of Estuary.
What check size does David Yaffe write?
David Yaffe typically writes checks of $100K – $5M.
What companies did David Yaffe found?
David Yaffe founded Estuary.
What companies has David Yaffe invested in?
Investments tracked here include Green Energy Exchange, Nextmv, Ribbon Health, Spero Foods, Taskade.

Founder mafias

About this profile. Compiled from public sources — Estuary'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