Expeditions Fund — Seed & Series A VC Firm
Expeditions Fund is a Seed, Series A venture capital firm based in Warsaw, Poland investing in Other, Deep Tech, Security. The firm has 37 portfolio companies in our records.
- Portfolio
- 37 companies on record
- Partners
- 6 listed
- Stage
- Seed, Series A
- Sectors
- Other, Deep Tech, Security
- HQ
- Warsaw, Poland
- Check size
- Not in our records
- AUM
- Not in our records
Last verified: 2026-10-03
Seed, Series A
37+ companies
6 partners
Investment Thesis
Invests in dual-use, deep tech, defense, and cybersecurity companies. The thesis is centered on advanced technical systems with strategic value.
How Expeditions Fund invests
Expeditions Fund is a vc firm based in Warsaw, Poland. The firm invests at the Seed, Series A stages, with a focus on Other, Deep Tech, Security.
Expeditions Fund has backed 37 companies in our records, including Alpine Eagle, AMI Labs, Arsenals AI.
Partners & Team
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Stanisław Kastory is a co-founder and General Partner at Expeditions, with the mission to rebuild European security. Stanislaw leads investor relations and operations, as well as building the firm’s network across European deep tech, defence and security. He is also still active in the private investment firm Firlej Kastory, which invests in other VC funds, and led to the establishment of Expeditions, along with Mikolaj Firlej. Previously, he specialised in M&A and corporate law during his Masters’ degree and later joined DZP, Poland’s largest law firm. He went on to establish and lead DZP Future, advising early-stage startups on capital raising, international expansion, restructuring, and corporate disputes.
Dr Mikolaj Firlej is an investor, academic and policy expert in security and defence, specialising in the application of autonomous systems and AI. He completed his D.Phil at Oxford University with a thesis on ‘The Problematisation of Autonomous Weapon Systems’, and has been a deep tech investor since 2016. Miko co-founded Firlej Kastory, a private investment firm, and launched Expeditions, the leading early-stage investor in the future of European security, in 2021. Miko has advised both the UK and Polish governments, working as a security analyst and policy advisor, and was also part of a UN Group of Governmental Experts on the regulation of autonomous weapons. He established the Centre for Technology and Global Affairs at Oxford University and has taught at the University of Surrey on AI Law and Regulation. He holds three Masters degrees in addition to his doctorate.
Ewa Milewska is an experienced finance executive and operator, with expertise in M&A, due diligence, and strategic growth. She is CFO and Partner at Expeditions, the leading early-stage investor in the future of European security, where she leads financial management, compliance and reporting, as well as supporting operations and deal execution alongside Stanislaw Kastory. Prior to Expeditions, Ewa spent over a decade at PwC as Director in the Deals team, advising private equity and corporate clients across Europe on M&A transactions, financial due diligence, and SPA negotiations. As CEO and CFO of Akademeia Educational Group, she managed the establishment of the prestigious Akademeia High School alongside its founder, and led its sale to International Schools Partnership, with an average 7X return for investors. She is a Chartered Financial Analyst and holds a Masters degree from the Warsaw School of Economics.
Samuel Burrell is an investor, soldier and former operator, specialising in defence and security investments. He has first-hand experience as an end-user of defence tech, having served as Captain in the Royal Marines, a career which included operational deployments in Afghanistan and the Indian Ocean. He is still a serving reservist. After leading operations for a Rocket Internet startup, including raising money from seed through to Series B, Samuel subsequently transitioned into venture investing, cutting his teeth at Octopus Ventures. He went on to specialise in deep tech and quantum at NSSIF, leading investments into Oxford Ionics, PsiQuantum, Riverlane, Infleqtion and NuQuantum. With his deep expertise in defence applications and his extensive military and security networks, Samuel is now Partner and Investment Lead for AUKUS at Expeditions. He holds an MBA from INSEAD and writes a weekly newsletter This Week in Dual-Use.
Industry Focus
Invests In
Portfolio Companies (37)
Other
Alpine Eagle
AMI Labs
Security/defense technology company in Expeditions’ portfolio.
Arsenals AI
Defense-related AI company in Expeditions’ portfolio.
Blackwall
Security and web-infrastructure protection company.
CalypsoAI
AI security company focused on protecting models and AI systems.
Cambridge Aerospace
Aerospace/defense technology company.
Comand AI
AI company for defense applications and operations.
Disruptive Industries
Defense/deep-tech company in Expeditions’ portfolio.
Dominion Dynamics
Defense/deep-tech company in Expeditions’ portfolio.
EGIDE
Next-generation defense arsenal company.
- •Raising at Seed, Series A? You're squarely in their sweet spot.
- •Lead with your fit in Other, Deep Tech, Security — the sectors they actively back.
- •warm intro preferred
- •Address your outreach to a specific partner, such as Anthony Mensier, Head Of Silent Unseen.
- •A warm introduction beats a cold email. Get matched and request an intro.
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