Dan Madden
InvestorPrincipal, National Security at SQUADRA VENTURES
New York, New York, United States
Writes $1M β $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.
Invests in
AI & Machine LearningCybersecurityDefense TechSaaSSpace Tech
Experience
- Squadra VenturesPrincipal, National Securitycurrent2021 β present
- Columbia University in the City of New YorkAdjunct Associate Professor, School of International and Public Affairscurrent2017 β presentNew York, New York
- Columbia University in the City of New YorkVisiting Scholar, Columbia Entrepreneurship2018 β 2021
- UFORCEInvestorcurrent2026 β present
- EndolithBoard Membercurrent2025 β present
- Aurelius SystemsBoard Observercurrent2025 β present
- PDWInvestorcurrent2025 β present
- WyvernBoard Membercurrent2024 β present
- Primordial LabsBoard Observercurrent2022 β present
- Defense Innovation Unit (DIU)Special Government Employee2022 β 2024
- NSIN - National Security Innovation NetworkDirector, Mid-Atlantic Region2018 β 2021New York, New York
- RAND CorporationSenior Policy Analyst2010 β 2018
- United States Department of DefenseSpecial Assistant to the Under Secretary of Defense for Personnel and Readiness2015 β 2016
- U.S. House of RepresentativesMilitary Legislative Assistant2007 β 2010
- United States Marine CorpsArtillery Officer1999 β 2004
Education
- United States Naval AcademyB.S., English Literature
- Columbia UniversityM.A., Political Science
- University of California, DavisM.A., Comparative Politics
Skills & more
National Security99Defense72Government61Policy45
- Active security clearance β United States Department of War
From Dan's professional profile.
Same school
Also attended United States Naval Academy59
Chad L. SummeBoard Member at CincyTechTony WellsVenture Partner at Copper Sky CapitalMike SteadmanFounder, Coach, USNA '10 β writing, coaching, and designing categories for underdog military veteran founders and CEOsJohn DillonInvestor at Alsop Louie PartnersJustin FreehVenture Partner at IronGate Capital AdvisorsDavid WhittakerVenture Partner at Elm Street Ventures
+ 53 more
Also attended Columbia University498
Ben HorowitzCo-founder & General Partner at Andreessen HorowitzDoug LeonePartner at Sequoia Capital; former Global Managing PartnerChris DixonFounder & Managing Partner of a16z crypto at Andreessen HorowitzGabriella GiglioHR & Executive Talent at General CatalystScott BillerInvestor at GV (Google Ventures)Erica VanInvestment Director at Intel Capital
+ 492 more
Also attended University of California, Davis120
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 GreycroftAva EitzenPortfolio Support at 8VC
+ 114 more
Shared employers
Also worked at UFORCE1
Also worked at Aurelius Systems1
Also worked at Wyvern1
Also worked at NSIN - National Security Innovation Network3
Deals Β· 1
Endolith MiningBoard seat
via SQUADRA VENTURES Β· filed Nov 2025 Β· $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



























