John Serafini
InvestorVenture Partner at Shield Capital · Executive Officer, Director at HawkEye 360
Boston, Massachusetts
Writes $100K – $5M checks · typically $1.5M
About
John Serafini, founder and CEO of HawkEye 360 and a partner, brings operator perspective to defense-tech and space investing, with West Point, Army Ranger background and dual Harvard degrees.
Contact· self-published, not guessed
Invests in
AI & Machine LearningCybersecurityDefense TechQuantum ComputingRoboticsSpace Tech
Executive Officer, Director at HawkEye 360
Intro paths
→
In turn, John can intro founders to HawkEye 360's investors below.
HawkEye 360's investors · 15
Center15 CapitalLos AngelesEdgeReston · since 2026Gula Tech AdventuresFulton · $100K – $5M checksHemisphere Ventures LLCMckinneyIceNineLondonLockheed Martin VenturesBethesdaManhattan Venture PartnersNew YorkNew North VenturesPortsmouth · $1M checksNightDragonSan Francisco · since 2026Paladin Capital GroupWashington · $100K – $5M checksRazor's Edge VenturesReston · $2M – $4M checks · since 2025Salica InvestmentsLondonShield CapitalSan FranciscoSixty Degree CapitalNorth YorkU.S. Air Forcesince 2023
Co-founders at HawkEye 360
CB
Christopher Bradley DeMayExecutive Officer
Experience
- HawkEye 360Founder & CEOcurrent2015 — presentWashington D.C. Metro Area
- Shield CapitalVenture Partnercurrent2021 — presentBoston, Massachusetts, United States
- BridgeSat, Inc.Board Member2015 — 2018San Francisco Bay Area
- Allied Minds Federal InnovationsBoard Advisor2011 — 2018Greater Boston Area
- Percipient NetworksCEO & Board Member2014 — 2017Boston, MA
- Whitewood Encryption Systems, Inc.General Manager & Board Member2014 — 2016Greater Boston Area
- Foreland TechnologiesGeneral Manager & Board Member2013 — 2016Greater Boston Area
- Federated WirelessBoard Member2012 — 2016
- Optio LabsBoard Member2012 — 2016Baltimore, Maryland Area
- Allied MindsSenior Vice President2011 — 2016Boston, Massachusetts
Skills & more
Enterprise Software22SaaS5Strategic Planning55Management42Strategy27Leadership30Venture Capital99Start-ups99Private Equity59Government32Mergers & Acquisitions89Corporate Development17
+12 more
EquitiesInvestmentsMergersSecurityMobile DevicesBusiness PlanningDefenseStrategic PartnershipsProduct ManagementResearchDue DiligenceProgram ManagementFrom John's professional profile.
Colleagues at Shield Capital
Akhil Iyer
Principal at Shield Capital
Ashton Carter
Senior Advisor at Shield Capital
Caroline Aertker
Investor Relations Analyst at Shield Capital
Dan Holland
COO at Shield Capital
Dan Razin Caine
Venture Partner at Shield Capital
David DeRuff
Chief Financial Officer (fractional, part-time) at Shield Capital
David Goldfein
National Security Advisory Board at Shield Capital
David Rothzeid
Principal at Shield Capital
Network2
Investors connected to John in public investor directories — a warm-intro map.
Frequently asked questions
- Who is John Serafini?
- John Serafini, founder and CEO of HawkEye 360 and a partner, brings operator perspective to defense-tech and space investing, with West Point, Army Ranger background and dual Harvard degrees.
- Where does John Serafini work?
- John Serafini is Venture Partner at Shield Capital.
- What does John Serafini invest in?
- John Serafini invests in AI & Machine Learning, Cybersecurity, Defense Tech, Quantum Computing, Robotics, Space Tech.
- What check size does John Serafini write?
- John Serafini typically writes checks of $100K – $5M.
- Where did John Serafini go to school?
- John Serafini studied at Harvard Business School (MBA, Venture Capital & Private Equity); Harvard Kennedy School (MPA, International Security Policy & Political Economy); United States Military Academy at West Point (BS, English & Systems Engineering).
Founder mafias
Harvard Business School mafia323
Also came through, then founded or led a company.
Mike Maples JrMBAFounded Pattern BreakersHristo BorisovOPM Class 64Founded PayhawkNoubar AfeyanVisiting LecturerFounded ProFound Therapeutics +12Wade MyersMBAFounded RealManage +5Harry GrunerFounded Hilos +2Ellen RubinMBAFounded ClearSky Data +2
+ 316 more
Harvard Kennedy School mafia43
Also came through, then founded or led a company.
Mike MoradiGlobal Leadership and Public Policy for the 21st CenturyFounded Southwest Nanotechnologies +1Queen Chinyere QuinnMaster in Public PolicyFounded Oathafrica +1Hillary LehrMaster in Public Administration - MPAFounded QuillerRushika FernandopulleMPPFounded Iora HealthPhil EdmundsonMPPFounded Corvus InsuranceRana el KalioubyExecutive EducationFounded Affectiva
.jpg)
+ 36 more
United States Military Academy at West Point mafia16
Also came through, then founded or led a company.
Ian FolauBachelor's DegreeFounded GitLinks +1Thomas HendrixBachelor of Science (B.S.)Founded Decisive Point +1Emily McMahanBachelors of ScienceFounded Academyinvestor +1Les CraigBSFounded RedOwl AnalyticsGuy FilippelliBSFounded RedOwl AnalyticsKelly PerdewBSFounded Moonshots
.jpg)
+ 9 more
Shield Capital mafia4
Also came through, then founded or led a company.
Same school
Also attended Harvard Business School2,000
Brad GerstnerFounder & CEO of Altimeter CapitalMamoon HamidPartner at Kleiner PerkinsNeeraj AgrawalGeneral Partner at Battery VenturesVictoria TreygerGeneral Partner at Felicis VenturesDeep NisharInvestment Team at General CatalystAdrianna MaInvestor at Index Ventures
+ 1,994 more
Also attended Harvard Kennedy School265
Jeremy PhilipsInvestor at Spark CapitalMike MoradiGeneral Partner at Cortado VenturesAndrew ForysiakOwner, AJF and Associates at Riphean InvestmentsDouglas Lemott Jr.Vice President, SAP National Security Services at Riphean InvestmentsBrian HalakManaging Partner at Medical Excellence CapitalJosephine LiangFinance Manager at CapitalG
+ 259 more
Also attended United States Military Academy at West Point90
A.J. BertoneExecutive Vice President, Investments at In-Q-TelLes CraigInvestor at Next Frontier CapitalRichard ClarkeInvestor at IVP (Institutional Venture Partners)Aaron StachelPartner at FirstMile VenturesPatrick HenshawManaging Director at Render CapitalBen FawEntrepreneur-in-Residence at Context Ventures
+ 84 more
Shared employers
Also worked at HawkEye 36011
George BarnesPresident, Cyber Practice at Red Cell IncubationLudwig Pierre SchulzeBoard Director at Basecamp FundVictor Bunoust-RoquerePrincipal at Manhattan Venture PartnersKirsten Bartok TouwCo-Founder & Managing Partner at NEW VISTA CAPITALPeter BordesManaging Partner at Trajectory VenturesRichard WellsManaging Director at Insight Partners
+ 5 more
