Fundraising Fox

Matt Walsh

Investor

Founding Partner at Castle Island Ventures · Board director at Coin Metrics · Board director at Attestiv

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.

Contact· self-published, not guessed

Likely email· guessed from name + firm domain, not firm-published

Invests in

Crypto & Web3CybersecurityData & InfrastructureDeveloper ToolsFintech

Board director at Coin Metrics

Intro paths

→

In turn, Matt can intro founders to Coin Metrics's investors below.

Coin Metrics's investors · 9

Acrew CapitalSan Francisco · $1M – $15M checksCastle Island VenturesBoston · $100K – $5M checks · since 2023Coinbase VenturesStamford · $100K – $10M checksCollab+CurrencyEugeneCommunitas Capital PartnersNew YorkDigital Currency GroupNew YorkDragonflyNew York City · $3M – $30M checksF-Prime CapitalCambridge · $3M – $10M checksMetastableNew York City · $3M – $30M checks

Co-founders at Coin Metrics

TR
Timothy RiceExecutive Officer, Director
TR
Tim RiceFounder

Board director at Attestiv

Intro paths

→

In turn, Matt can intro founders to Attestiv's investors below.

Attestiv's investors · 3

Borderless VentureClermontCastle Island VenturesBoston · $100K – $5M checksPlug and Play VenturesSunnyvale · $50K – $12M checks

Co-founders at Attestiv

NANicos Andrew Vekiarides
Nicos Andrew VekiaridesExecutive Officer, Director
JW
John Whitney BatesExecutive Officer, Director
NVNicos Vekiarides
Nicos Vekiarides
JB
John Bates

Experience

  1. Castle Island VenturesFounding Partnercurrent2018 — present
  2. Fidelity InvestmentsVice President2014 — 2018Boston, MA
  3. Clear Channel Media and EntertainmentManager, National Programming Platforms2010 — 2012New York, NY
  4. Loughlin Meghji + CompanyAnalyst2009 — 2010New York, NY
  5. Arthur D. Little, Inc.Senior Business Analyst2007 — 2009New York, NY

Skills & more

Languages French

From Matt's professional profile.

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
Rich Sgalardi
General Partner at Castle Island Ventures

Frequently asked questions

Who is Matt Walsh?
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.
Where does Matt Walsh work?
Matt Walsh is Founding Partner at Castle Island Ventures and Board director at Coin Metrics and Board director at Attestiv.
What does Matt Walsh invest in?
Matt Walsh invests in Crypto & Web3, Cybersecurity, Data & Infrastructure, Developer Tools, Fintech.
What check size does Matt Walsh write?
Matt Walsh typically writes checks of $100K – $5M.
Where did Matt Walsh go to school?
Matt Walsh studied at Duke University - The Fuqua School of Business (Master of Business Administration (MBA)); Babson College (2007, BS: Business Administration); Boston College High School (High School).

Same school

Also attended Duke University - The Fuqua School of Business178

Dave BlivinMANAGING PARTNER at Cottonwood Technology FundVinnie McSweeneyInvestor at OpenView Venture PartnersBrooke BalcomBoard Member at CincyTechChad SummeBoard Member at CincyTechMatias BarberoVenture Partner at FJ LabsTracie RotterPartner, Platform at Lux Capital

+ 172 more

Also attended Babson College172

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 PartnersRobert VerwaayenGeneral Partner at Keen Venture Partners

+ 166 more

Also attended Boston College High School14

Sean JudgeGeneral Partner at Castle Island VenturesPeter LagrotteriaInvestor at Flourish VenturesRich RobinsonInvestor at NZVCAlan SwierczynskiSenior Associate at Fifth Down CapitalRobert BrookInvestment Associate at Stand Together Ventures LabBryan MaloneyEngineering / AI at M33 Growth

+ 8 more

Shared employers

Also worked at Fidelity Investments133

Peter SaperstonePartner at GreycroftRob KniazInvestor at Hoxton 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

+ 127 more

Also worked at Clear Channel Media and Entertainment11

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

+ 5 more

Also worked at Arthur D. Little, Inc.49

Katrin GeyskensExecutive Director at Capricorn Venture PartnersJosh BreinlingerVenture Partner at FJ LabsTodd FoleyManaging Director at MPM BioImpactKevin KopczynskiPartner at Congruent VenturesJason ScottAccelerator Operations at Blockchain BuildersVivian HadisManaging Principal, General Counsel and Chief Compliance Officer at Odyssey Investment Partners

+ 43 more