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Key people at Green Flag Ventures.
Green Flag Ventures, a Los Angeles, California-based venture capital firm, invests in early-stage Ukrainian technology startups across defense, dual-use, AI, and cyber sectors. Founding Partner Justin Zeefe (defense, cyber tech), General Partner Deborah Fairlamb (embedded in Ukraine's tech and government for over a decade), and Venture Partners Enrique Oti and Mike Baird lead the firm. They target product companies with validated revenue and TRL 6+, domiciled in the EU or US for IP and export control, ensuring readiness for Western markets. Leveraging on-the-ground experts and collaborating with programs like Brave1, the firm sources and de-risks investments, which are rigorously reviewed by experts from the Air Force, NASA, and RUSI. Green Flag Ventures manages one closed fund, having originated as an American-Ukrainian partnership dedicated to backing dual-use and defense tech founders in wartime Ukraine with field-validated solutions.
Green Flag Ventures has 2 tracked investments across 2 companies. The latest tracked deal is $2.5M Seed in HIMERA in December 2025.
| Date | Company | Round | Lead Investor(s) | Co-Investor(s) |
|---|---|---|---|---|
| Dec 18, 2025 | HIMERA | $2.5M Seed | Green Flag Ventures | Arnaud Dassier, Dave Morgan, James Francis, BIG Defence, Bulava Capital, Freedom Fund Venture Capital, Nezlamni, UA1 VC, United Angels Network, Varangians, Vytach |
| Sep 16, 2025 | Swarmer | $15.0M Series A | Mike Rapp | D3 VC Fund And Accelerator, Network VC, Radius Capital, R G.ai |
Key people at Green Flag Ventures.
