Tom Hennessey
InvestorFounder & General Partner at Coalition · Board director at Vatn Systems
Greater Boston
About
Has spent roughly twelve years building and investing in early-stage companies, often as first institutional capital. Was an early executive at Circle (IPO: CRCL) and founded Vested.co; previously a Navy intelligence officer with SOCOM and an Iraq war veteran. Holds a mechanical engineering degree from MIT and an MBA from Harvard Business School.
Board director at Vatn Systems
Intro paths
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In turn, Tom can intro founders to Vatn Systems's investors below.
Vatn Systems's investors · 21
Airbus VenturesMenlo Park · $1M checks · since 2025Backswing VenturesWindermere · since 2024Beyond CapitalSan Diego · since 2024Blue CollectiveBrooklyn · $250K – $2M checks · since 2024BVVCBurr Ridge · since 2025Capital FactoryAustin · since 2024Centre Street PartnersNew York · $100K – $500K checks · since 2024Champion Hill Ventures$500K – $1M checks · since 2024CoalitionCambridge · since 2024Cubit CapitalDallas · $500K – $3M checks · since 2024Dauntless VenturesHolladay · since 2024Decisive PointWashington · $500K – $1M checks · since 2024Geodesic CapitalFoster City · since 2024IronGate Capital AdvisorsNew York · since 2024Lockheed Martin VenturesBethesda · since 2024Marque VenturesAlameda · since 2024Propeller VCJamaica Plain · $100K – $10M checks · since 2024Raptor GroupMiami Beach · since 2024The Veteran FundSan Francisco · $500K – $2M checks · since 2024Trousdale VenturesWest Hollywood · $1M – $5M checks · since 2024Veteran Ventures CapitalMcLean · $50K – $250K checks · since 2024
Co-founders at Vatn Systems
GM
Geoff Manchester
FM
Freddie Mills
Experience
- Coalition VenturesFounder and Managing Partnercurrent2022 — presentBoston, Massachusetts, United States
- J2 VenturesVenture Partnercurrent2021 — present
- VestedChairman Emerituscurrent2025 — present
- VestedChairman2022 — 2025
- VestedCo-Founder and CEO2019 — 2022Greater Boston Area
- Mass Ave CapitalManaging Partner2015 — 2023Greater Boston
- CircleVP Business Operations2014 — 2018Greater Boston Area
- Amazon Web ServicesSenior Product Manager2013 — 2014
- US NavyLieutenant2005 — 2011
Skills & more
Program ManagementCross-functional Team LeadershipProduct ManagementProject ManagementNavyProduct DevelopmentStrategyProcess Improvement
From Tom's professional profile.
Colleagues at Coalition
Frequently asked questions
- Who is Tom Hennessey?
- Has spent roughly twelve years building and investing in early-stage companies, often as first institutional capital. Was an early executive at Circle (IPO: CRCL) and founded Vested.co; previously a Navy intelligence officer with SOCOM and an Iraq war veteran. Holds a mechanical engineering degree from MIT and an MBA from Harvard Business School.
- Where does Tom Hennessey work?
- Tom Hennessey is Founder & General Partner at Coalition and Board director at Vatn Systems.
- Where did Tom Hennessey go to school?
- Tom Hennessey studied at Harvard Business School (MBA, Technology); Massachusetts Institute of Technology (SB, Mechanical Engineering (2A)); The Roxbury Latin School.
Same school
Also attended Harvard Business School2,000
Brad GerstnerFounder & CEO of Altimeter CapitalAileen LeeFounder & Managing Partner of Cowboy VenturesTim DraperFounder of Draper AssociatesMamoon HamidPartner at Kleiner PerkinsNeeraj AgrawalGeneral Partner at Battery VenturesHristo BorisovCo-founder & CEO of Payhawk
+ 1,994 more
Also attended Massachusetts Institute of Technology1,388
Fred WilsonCo-founder & Partner at Union Square VenturesElad GilSolo general partner investing through Gil CapitalAileen LeeFounder & Managing Partner of Cowboy VenturesHemant TanejaCEO & Managing Director of General CatalystNat FriedmanCo-lead of Meta Superintelligence Labs; co-founder of NFDGBrad FeldCo-founder of Foundry and Techstars
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Also attended The Roxbury Latin School11
Kevin EganInvestor at IVP (Institutional Venture Partners)Jim QuagliaroliInvestor at Silversmith Capital PartnersDrew VolpeFounding Partner at First Star VenturesGeoff BernsteinGeneral Partner at Indicator VenturesGraham PingreeInvestor at Cendana CapitalJake SpornInvestor at Venture Guides Management, L.P.
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Shared employers
Also worked at Vested2
Also worked at Circle23
Jim BreyerFounder & CEO of Breyer CapitalRen RileyAdvisor at Oak Investment PartnersMelissa BodensieckInvestor at True VenturesAustin HayInvestor at Khosla VenturesRia BhutoriaVenture Partner at Castle Island VenturesJamie GoldsteinFounding/Managing Partner at Pillar VC
+ 17 more
Also worked at Amazon Web Services270
Nancy WangInvestor at Felicis VenturesJon TurowVenture Partner at Madrona Venture GroupEric AndersonPartner at Scale Venture PartnersKeerthi NalabotuInvestor at True VenturesKen HowardVice President of Technology Services at Flare Capital PartnersEliya ElonInvestor at Notable Capital
+ 264 more
Also worked at US Navy118
Jeremy KirschOperating Partner at Differential VenturesJim BridenstineManaging Partner, Artemis Group at Cortado VenturesJuliane GallinaPartner at Lavrock VenturesJohn DillonInvestor at Alsop Louie PartnersGlenn VogelVenture Partner at IronGate Capital AdvisorsDavid WhittakerVenture Partner at Elm Street Ventures
+ 112 more