About
Don Muir is co-founder and CEO of F2 and co-founder of Arc. He previously worked as a private equity investor before transitioning to entrepreneurship, with focus on AI applications in financial services.
Founder 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 · 8
Angel Collective Opportunity FundSan FranciscoHighlandXMenlo Park · since 2026Left Lane CapitalNew York · $5M – $75M checks · since 2026Next Legacy PartnersPortola ValleyNFXSan Francisco · $250K – $5M checks · since 2026Sarah SmithMenlo Park · $250K checksTorch CapitalNew York · $750K – $1.5M checks · since 2026Y CombinatorSan Francisco · $500K checks · since 2025
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Co-founders at F2
EK
Emre KazdagliFounder
Founder at Arc
Intro paths
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In turn, Don can intro founders to Arc's investors below.
Experience
- F2Co-Founder & CEOcurrent2025 — presentNew York, United States
- ArcCo-Founder & Board Membercurrent2025 — presentNew York, United States
- ArcCo-Founder & CEO2021 — 2025San Francisco, California, United States
- Apollo Global Management Inc.Private Equity2020
- OnexPrivate Equity2017 — 2019
- Boston Consulting Group (BCG)Management Consulting2015 — 2017
Skills & more
Artificial Intelligence (AI)7Private Equity6Private Credit3Commercial Banking42Corporate Finance45Capital Markets32
Languages English · French
From Don's professional profile.
Frequently asked questions
- Who is Don Muir?
- Don Muir is co-founder and CEO of F2 and co-founder of Arc. He previously worked as a private equity investor before transitioning to entrepreneurship, with focus on AI applications in financial services.
- Where does Don Muir work?
- Don Muir is Founder of Arc and Founder at F2.
- What companies did Don Muir found?
- Don Muir founded Arc, F2.
- Where did Don Muir go to school?
- Don Muir studied at Stanford University Graduate School of Business (Master of Business Administration - MBA); Y Combinator (W22 (Arc) + S25 (F2)); Cornell University (Dyson School of Business, Strategy & Finance).
Founder mafias
Y Combinator mafia8,773
Also came through, then founded or led a company.
Sam AltmanPresidentFounded Tools for Humanity +3Jessica LivingstonCo-founderFounded Y CombinatorAlexis OhanianYC Summer 2005Founded RedditFred EhrsamYC Summer 2012Founded Nudge +1Matt HuangYC Winter 2011Founded HotspotsTrae StephensYC Winter 2022Founded Pursuit +1
+ 8,766 more
Y Combinator mafia4,716
Also came through, then founded or led a company.
Ryan SheaEntrepreneurshipFounded StacksTarek MansourFounded KalshiSuhail DoshiEating beans & riceFounded Playground +1Subomi OluwalanaW22Founded ConvoyDarius "Bubs" MonsefS19Founded Sightbox +3Matthew ScholzFounded Oisin Biotechnologies +3
+ 4,709 more
Stanford University Graduate School of Business mafia267
Also came through, then founded or led a company.
Steve JurvetsonMaster of Business Administration (MBA)Founded Mojo VisionTony XuMBAFounded DoorDashDavid VélezMBAFounded NubankMatt RouifStanford Ignite (Summer Institute for Entrepreneurship)Founded Photoroom +3IanMaster of Business Administration (M.B.A.)Founded Immunity Project +2Mikhail KokorichStanford Executive ProgramFounded Destinus +2
+ 260 more
Cornell University mafia218
Also came through, then founded or led a company.
John ZimmerBSFounded Lyft +1Ian JanickiBachelors of ArchitectureFounded Outfit +2Ryan XueBachelor of Science (B.Sc.)Founded Andco +2Uri LopatinBAFounded Pardes Biosciences +1David SteinbergBAFounded Restorbio +1Hanson S. Gifford, IIIBSMEFounded Miramar Labs +1
+ 211 more
Same school
Also attended Stanford University Graduate School of Business1,384
Roelof BothaAdvisor & former Steward at Sequoia Capital; SpaceX board memberPeter FentonGeneral Partner at BenchmarkSteve JurvetsonCo-founder of Future VenturesDavid SzeAdvisory Partner at GreylockKatherine BoyleGeneral Partner at Andreessen Horowitz (American Dynamism)Hunter WalkCo-founder & Partner at Homebrew
+ 1,378 more
Also attended Y Combinator2,000
Tarek MansourCo-founder & CEO of KalshiSuhail DoshiFounder of Mixpanel; founder of ParticleSubomi OluwalanaCo-founder & CEO of ConvoyMaroof AhmedFounder at Octopus VenturesJustin SwartPartner at Bitkraft Esports VenturesCollin WallaceGeneral Partner at Lobby Capital
+ 1,994 more
Also attended Cornell University748
Doug LeonePartner at Sequoia Capital; former Global Managing PartnerJenny LeeSenior Managing Partner at Granite AsiaNeeraj AgrawalGeneral Partner at Battery VenturesJohn ZimmerCo-founder of LyftMichelle FernandesInvestor at Index VenturesMicah RosenbloomGeneral Partner at Founder Collective
+ 742 more
Shared employers
Also worked at F23
Also worked at Arc3
Also worked at Apollo Global Management Inc.47
Joseph R. SavianoFounder and Managing Member at Dot CapitalCosmo JiangGeneral Partner at Pantera CapitalGrant AllenFounding GP, Schneider Electric Ventures at Giant Ventures Global LlpMahesh RamakrishnanCo-founder & Managing Partner at Ev3 Ventures LlcRyan CrumPartner at ClearSkyJenna FieldHead of Investor Relations and Communications at Shine Capital
+ 41 more
Also worked at Onex10
Michael AndersonPartner at Mainsail PartnersRina AtienzaOperations Manager at Radical VenturesBrahm KlarManaging Partner at Round13 CapitalIrfhan RawjiManaging Partner at Relay VenturesIsadora VenturelliEA + Ops Support at Bison VenturesDan ShearholdtVice President of Finance at Structural Capital
+ 4 more