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Don Muir

InvestorFounder

Investor at F2 Invest · CEO at F2 · Founder at Arc

New York City

FoundedArc · YCF2 · YC

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About

Don Muir is co-founder and CEO of F2 and previously co-founded Arc. A former private equity investor turned entrepreneur, he focuses on AI applications in finance.

CEO at F2YC S25

Intro paths

YC

Don went through Y Combinator (Summer 2025) — any YC alum in your network can reach them through the YC community.

GP

Their group partner at YC was Jared Friedman, YC Group Partner — the partner who ran F2's batch and knows the company first-hand. YC profile ↗

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In turn, Don can intro founders to F2's investors below.

F2's investors · 18

Alumni VenturesManchester · $100K – $10M checks · since 2025Angel Collective Opportunity FundSan FranciscoCamber CreekNew York · $1M checksCarya Venture PartnersPalo AltoClocktower VenturesSanta Monica · $100K – $20M checksF2 InvestGelt VC$25K checksHighlandXMenlo Park · since 2026Left Lane CapitalNew York · $5M – $75M checks · since 2026Next Legacy PartnersPortola ValleyNFXSan Francisco · $250K – $5M checks · since 2026PioneerToronto, OntarioPosition VenturesSan FranciscoSarah SmithMenlo Park · $250K checksSoma CapitalSacramento · $100K – $300K checksTorch CapitalNew York · $750K – $1.5M checks · since 2026VSC VenturesSan Francisco · $500K – $750K checksY CombinatorSan Francisco · $500K checks · since 2025

Co-founders at F2

EKEmre Kazdagli
Emre KazdagliFounder

Founder at ArcYC W22

Intro paths

YC

Don went through Y Combinator (Winter 2022) — any YC alum in your network can reach them through the YC community.

GP

Their group partner at YC was Jared Friedman, YC Group Partner — the partner who ran Arc's batch and knows the company first-hand. YC profile ↗

→

In turn, Don can intro founders to Arc's investors below.

Arc's investors · 20

Abstract VenturesSan Francisco · $250K – $750K checksAlumni VenturesManchester · $100K – $10M checksAndreessen HorowitzMenlo Park · $500K – $50M checksAtalaya CapitalNew YorkBain Capital VenturesBoston · $1M – $100M checksCarya Venture PartnersPalo AltoClocktower VenturesSanta Monica · $100K – $20M checksDreamers VCEl Segundo · $500K – $5M checksEclipse VenturesPalo Alto · $200K – $5M checksGelt VC$25K checksLeft Lane CapitalNew York · $5M – $75M checksLowercarbon CapitalLos Angeles · $100K – $5M checksMenlo VenturesSan Francisco · $1M – $20M checksNext Legacy PartnersPortola ValleyNFXSan Francisco · $250K – $5M checksPioneerToronto, OntarioSarah SmithMenlo Park · $250K checksSoma CapitalSacramento · $100K – $300K checksTorch CapitalNew York · $750K – $1.5M checksY CombinatorSan Francisco · $500K checks · since 2022

Co-founders at Arc

NLNick Lombardo
Nick LombardoFounder
ALAustin Lockwood
Austin LockwoodFounder
HH
Haomiao HuangFounder
MV
Michael VitusFounder
MLMitch Lee
Mitch LeeFounder
RJ
Raven JiangFounder
RC
Ryan CookFounder

Frequently asked questions

Who is Don Muir?
Don Muir is co-founder and CEO of F2 and previously co-founded Arc. A former private equity investor turned entrepreneur, he focuses on AI applications in finance.
Where does Don Muir work?
Don Muir is Founder of Arc and at F2 Invest and CEO at F2.
What companies did Don Muir found?
Don Muir founded Arc, F2.

Founder mafias

About this profile. Compiled from public sources — F2 Invest'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