Fundraising Fox
Green Flag
Venture capitalActively deployingWoodland Hills · 12 people tracked
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Investment thesis
Green Flag Ventures positions itself as a leading dual-use venture capital firm that is active on the ground. It backs founders building technology that can be field-tested in real-world conditions today and commercialized across global markets in the future. The firm's emphasis on dual-use technology suggests a focus on solutions with both defense and commercial applications, supporting companies that validate their products operationally before scaling internationally.
Source: firm website, verified Aug 3, 2026.
Team · 12 people
from the firm's website
Founder and operator with deep defense experience.
Atlantic Council Defense Fellow and family office CIO.
Has been embedded in Ukraine's tech ecosystem for over a decade.
Co-founded the U.S. Defense Innovation Unit.
NASA Space Communications and Navigation (SCaN) leader and former Army Assured PNT chief.
Served as CIO of a European family office.
Twice served as a defense air attaché to Ukraine.
Former CIA operations officer and defense tech operator/investor.
Former Obama appointee and DoD counterterrorism leader.
PE-trained operator and multi-tour CFO.
Led security at multiple public companies.
PhD-holder who built and led the U.S. Air Force Electronic Warfare program.
What they invest in
from 5 of 7 portfolio companiesDefense Tech ×4Robotics ×4Deep Tech ×3Hardware ×3AI & Machine Learning ×2Enterprise Software ×2IoT ×1
HQs:Ukraine×2Estonia×1United States×1
Investments · 7 tracked
founders shown can be your intro pathSwarmer builds AI-driven autonomy software for drones, providing autonomous navigation, real-time combat data, and swarm collaboration for military units.
AI & Machine LearningDefense TechRoboticsAustin, US
Serhii Kupriienko(Executive Officer, Director)inAlexander Fink(Executive Officer, Director)
BoardPhilip Wagenheim(Director)
Board seatJustin Zeefe· per SEC Form D
Co-investorsRadius Capital VenturesNetwork VC
Babayte develops onboard AI for civilian UAVs that keeps drones operating in degraded conditions with failing sensors, using multi-sensor fusion and sub-53ms reaction times.
AI & Machine LearningDeep TechRobotics
PartnerJustin Zeefe· solo GP
Portable, cost-effective products for detecting, tracking, jamming, and cataloging enemy UAS.
PartnerJustin Zeefe· solo GP
Teletactica develops communication systems that integrate control links, video, and data exchange into unified connectivity infrastructure for defense and industrial applications.
Deep TechDefense TechEnterprise SoftwareHardwareIoTRoboticsLatvia, EE
PartnerJustin Zeefe· solo GP
Other
Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.
MaXon Systems
Portfolio news
latest coverage across their companies
Swarmer · thesaasnews.com · Aug 17, 2026
Teletactica · finsmes.com · Jul 21, 2025
Frequently asked questions
- How many investments has Green Flag made?
- Green Flag has 7 tracked investments, including 1 dated in the last 24 months.
- What sectors does Green Flag focus on?
- Green Flag focuses on AI & Machine Learning, Deep Tech, Defense Tech, Hardware.
- Where is Green Flag located?
- Green Flag is headquartered in Woodland Hills, US.
Images
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