What check size does Brian Carroll write?

Brian Carroll typically writes checks of $4M – $7M.

Where did Brian Carroll go to school?

Brian Carroll studied at Columbia Business School (MBA); Claremont McKenna College (BA, Politics, Philosophy, Economics).

Brian Carroll

Former Partner at M13

New York, New York

Writes $4M – $7M checks · typically $5.5M

Find your path to Brian

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Ask Bohan Lou to introduce you to Brian

You →Bohan · together at Cosmos Institute (2026) →Brian

Ask Jamie Chen to introduce you to Brian

You →Jamie · together at Cosmos Institute →Brian

Ask Sam Okafor to introduce you to Brian

You →Sam · 7 people · together at M13 →Brian

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About

Brian Carroll serves as Chief Financial Officer at Cosmos Ventures. He works with early-stage companies on financial planning and operational infrastructure.

Experience

Cosmos VenturesCFOcurrent2026 — presentNew York City Metropolitan Area
Cosmos InstituteCFOcurrent2026 — presentNew York City Metropolitan Area
M13Partner, CFO2019 — 2024New York City Metropolitan Area
VariousCFO / COO Advisory2014 — 2018New York City Metropolitan Area
PianoCOO2013 — 2014New York City Metropolitan Area
PlaceIQVP Finance and Strategy2012 — 2013New York City Metropolitan Area
FlavorpillGeneral Manager2011 — 2012New York City Metropolitan Area
Akamai TechnologiesVarious2000 — 2011New York City Metropolitan Area
Venture CapitalAssociate (intern)2008 — 2009New York City Metropolitan Area
NielsenAccount Manager2004 — 2006New York City Metropolitan Area

Skills & more

Start-ups43Digital Media23Mobile Devices26SaaS19Business Strategy18Online Advertising4Analytics5Product Management5Web Analytics1Strategic Partnerships7Entrepreneurship2E-commerce8

+8 more

StrategyVenture CapitalProduct MarketingDigital StrategyEnterprise SoftwareCompetitive AnalysisProject ManagementFinance

From Brian's professional profile.

Network7

Brent Murri

Partner at M13

Carter Reum

Co-Founder and Partner at M13

Christine Choi

Partner at M13

Courtney Reum

Co-Founder and Partner at M13

Jack Gorab

Investor at M13

Karl Alomar

Managing Partner at M13

Latif Peracha

General Partner at M13

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

Frequently asked questions

Who is Brian Carroll?: Brian Carroll serves as Chief Financial Officer at Cosmos Ventures. He works with early-stage companies on financial planning and operational infrastructure.
What check size does Brian Carroll write?: Brian Carroll typically writes checks of $4M – $7M.
Where did Brian Carroll go to school?: Brian Carroll studied at Columbia Business School (MBA); Claremont McKenna College (BA, Politics, Philosophy, Economics).