Dan Madden
InvestorPrincipal, National Security at SQUADRA VENTURES · Board director at Endolith Mining · Board director at Falcomm
New York, New York, United States
Writes $1M – $4M checks
About
Dan Madden, a former U.S. Marine artillery officer with an end-to-end national-security career, sees how defense ideas become battlefield capabilities and wrote a first-person Ukraine account on startups' soldier-driven iteration.
Contact· self-published, not guessed
Invests in
AI & Machine LearningCybersecurityDefense TechSaaSSpace Tech
Board director at Endolith Mining
Intro paths
→
In turn, Dan can intro founders to Endolith Mining's investors below.
Endolith Mining's investors · 8
Bascom VenturesBostonCollaborative FundNew York · $500K – $1M checksDraper AssociatesSan Mateo · $500K – $5M checksFounders FactoryLondon · $150K – $200K checksFounders Factory NYLondonNucleus CapitalBerlin · $1M – $1.1M checksOverture ClimateSanta Monica · $1M – $3M checksSQUADRA VENTURESBaltimore · $1M – $4M checks · since 2025
Co-founders at Endolith Mining
DL
Dr. Liz DennettFounder and CEO
EP
Elizabeth Percak-DennettExecutive Officer, Director
Board director at Falcomm
Intro paths
→
In turn, Dan can intro founders to Falcomm's investors below.
Falcomm's investors · 6
Co-founders at Falcomm
EG
Edgar GarayFounder & CEO
Experience
- Squadra VenturesPrincipal, National Securitycurrent2021 — present
- Columbia University in the City of New YorkAdjunct Associate Professor, School of International and Public Affairscurrent2017 — presentNew York, New York
- Columbia University in the City of New YorkVisiting Scholar, Columbia Entrepreneurship2018 — 2021
- UFORCEInvestorcurrent2026 — present
- EndolithBoard Membercurrent2025 — present
- Aurelius SystemsBoard Observercurrent2025 — present
- PDWInvestorcurrent2025 — present
- WyvernBoard Membercurrent2024 — present
- Primordial LabsBoard Observercurrent2022 — present
- Defense Innovation Unit (DIU)Special Government Employee2022 — 2024
- NSIN - National Security Innovation NetworkDirector, Mid-Atlantic Region2018 — 2021New York, New York
- RAND CorporationSenior Policy Analyst2010 — 2018
- United States Department of DefenseSpecial Assistant to the Under Secretary of Defense for Personnel and Readiness2015 — 2016
- U.S. House of RepresentativesMilitary Legislative Assistant2007 — 2010
- United States Marine CorpsArtillery Officer1999 — 2004
Skills & more
National Security99Defense72Government61Policy45
- Active security clearance — United States Department of War
From Dan's professional profile.
Deals · 1
Endolith MiningBoard seat
via SQUADRA VENTURES · filed Nov 2025 · $16.8M raise
Attribution from SEC filings, press coverage, and firm rosters.
Colleagues at SQUADRA VENTURES
Amy Fuller
Executive Assistant at SQUADRA VENTURES
Dominic Ventimiglia
Principal, Network Operations at SQUADRA VENTURES
Guy Filippelli
Managing Partner at SQUADRA VENTURES
Isaac Carp
Principal at SQUADRA VENTURES
John Timken
COO + CFO at SQUADRA VENTURES
Margaret Roth
Principal at SQUADRA VENTURES
Margaret Roth Falzon
Principal at SQUADRA VENTURES
Meghan McGee
Head of Platform at SQUADRA VENTURES
Frequently asked questions
- Who is Dan Madden?
- Dan Madden, a former U.S. Marine artillery officer with an end-to-end national-security career, sees how defense ideas become battlefield capabilities and wrote a first-person Ukraine account on startups' soldier-driven iteration.
- Where does Dan Madden work?
- Dan Madden is Principal, National Security at SQUADRA VENTURES and Board director at Endolith Mining and Board director at Falcomm.
- What does Dan Madden invest in?
- Dan Madden invests in AI & Machine Learning, Cybersecurity, Defense Tech, SaaS, Space Tech.
- What check size does Dan Madden write?
- Dan Madden typically writes checks of $1M – $4M.
- What boards does Dan Madden sit on?
- Dan Madden holds tracked board seats at Endolith Mining.
- Where did Dan Madden go to school?
- Dan Madden studied at United States Naval Academy (B.S., English Literature); Columbia University (M.A., Political Science); University of California, Davis (M.A., Comparative Politics).
Same school
Also attended United States Naval Academy75
Chad SummeBoard Member at CincyTechDouglas Lemott Jr.Vice President, SAP National Security Services at Riphean InvestmentsTony WellsVenture Partner at Copper Sky CapitalJuliane GallinaPartner at Lavrock VenturesMike SteadmanFounder, Coach, USNA '10 — writing, coaching, and designing categories for underdog military veteran founders and CEOsJohn DillonInvestor at Alsop Louie Partners
+ 69 more
Also attended Columbia University726
Ben HorowitzCo-founder & General Partner at Andreessen HorowitzDoug LeonePartner at Sequoia Capital; former Global Managing PartnerChris DixonFounder & Managing Partner of a16z crypto at Andreessen HorowitzKai-Fu LeeChairman of Sinovation Ventures and CEO of 01.AIGabriella GiglioHR & Executive Talent at General CatalystScott BillerInvestor at GV (Google Ventures)
+ 720 more
Also attended University of California, Davis154
Charles CallSLP & Venture Partner at Cottonwood Technology FundDavid PhuController at Felicis VenturesBryan EglanDirector of Business Development at Menlo VenturesScott MaxwellInvestor at OpenView Venture PartnersMasoud AdinaHead of Compliance at GreycroftCraig MuirInvestor at Third Rock Ventures
+ 148 more
