Matthew Walsh
InvestorFounding Partner at Castle Island Ventures
Boston, Massachusetts
Writes $100K – $5M checks · typically $1.5M
About
Matthew Walsh, ex‑Fidelity financial-services leader who led internal blockchain initiatives preceding Fidelity Digital Assets, focuses on seed-stage public-blockchain equity and prioritizes market structure and regulatory clarity over token-centric trading.
Invests in
Crypto & Web3CybersecurityData & InfrastructureDeveloper ToolsFintech
Experience
- Castle Island VenturesFounding Partnercurrent2018 — present
- Fidelity InvestmentsVice President2014 — 2018Boston, MA
- Clear Channel Media and EntertainmentManager, National Programming Platforms2010 — 2012New York, NY
- Loughlin Meghji + CompanyAnalyst2009 — 2010New York, NY
- Arthur D. Little, Inc.Senior Business Analyst2007 — 2009New York, NY
Education
- Duke University - The Fuqua School of BusinessMaster of Business Administration (MBA)2012 — 2014
- Babson College2007, BS: Business Administration2003 — 2007
- Boston College High SchoolHigh School1999 — 2003
- Babson CollegeBachelor of Science - BS, Finance
Skills & more
Languages French
From Matthew's professional profile.
Same school
Also attended Duke University - The Fuqua School of Business165
David BlivinMANAGING PARTNER at Cottonwood Technology FundVinnie McSweeneyInvestor at OpenView Venture PartnersBrooke BalcomBoard Member at CincyTechChad L. SummeBoard Member at CincyTechMatias BarberoVenture Partner at FJ LabsTracie RotterPartner, Platform at Lux Capital
+ 159 more
Also attended Babson College133
Reid HoffmanCo-founder of LinkedIn; Partner at GreylockEghosa OmoiguiFounder and Managing General Partner at EchoVC PartnersKevin ColleranManaging Director at Slow VenturesAnn PauloseSenior Investor Relations Associate at GreycroftAjay RayasamPrincipal at Osage University PartnersBill HurleyPrincipal at Marlin Equity Partners
+ 127 more
Shared employers
Also worked at Fidelity Investments107
Peter SaperstonePartner at GreycroftAlejandraChief of Staff, Investment Team at Hummingbird VenturesHelen ClementInvestor at IVP (Institutional Venture Partners)Adiam BerhaneAccounting Manager at QED InvestorsAubrie PaganoGeneral Partner, Managing Member at Corigin VenturesJoanna Skoler GilmanChief Marketing and Communications Officer at .406 Ventures
+ 101 more
Also worked at Clear Channel Media and Entertainment7
Max WechterSenior Director of AI at Lerer HippeauMelissa BodensieckInvestor at True VenturesPerri LamirExecutive Assistant at StripesColin AngleSpecial Advisor at Data Point CapitalDavid ArcaraPartner at LaconiaRoss MartinGeneral Partner at Lunch Partners
+ 1 more
Also worked at Arthur D. Little, Inc.38
Josh BreinlingerVenture Partner at FJ LabsKevin KopczynskiPartner at Congruent VenturesJason ScottAccelerator Operations at Blockchain BuildersVivian HadisManaging Principal, General Counsel and Chief Compliance Officer at Odyssey Investment PartnersGonzalo Sánchez-ArjonaInvestment Director at Kibo VenturesJuan GonzálezSenior Advisor at Armilar Venture Partners
+ 32 more
Colleagues at Castle Island Ventures
Andrew Brochu
Controller at Castle Island Ventures
Gretchen McCarey
Chief Financial Officer at Castle Island Ventures
Gus Coldebella
Chief Legal Officer at Castle Island Ventures
Henry Harris
Investor at Castle Island Ventures
Hunter Merghart
Venture Partner at Castle Island Ventures
Laura Lentz
Executive Assistant at Castle Island Ventures
Nic Carter
Investor in anti-authoritarian technology; general partner at Castle Island Ventures
Ria Bhutoria
Venture Partner at Castle Island Ventures
































