Expeditions Fund

Expeditions Fund is a Warsaw-based venture capital firm founded in 2021 that backs early-stage technology companies. It originated from the venture capital operations of the Firlej Kastory family office and later became an independent firm supported by multi-billion-dollar investors, family offices, founders and CEOs. The firm pursues long-term, patient investments in technology companies globally, with a focus on Central and Eastern Europe. It seeks opportunities in artificial intelligence, cybersecurity, privacy, biotechnology, defense technology, quantum computing and B2B software as a service.

Mikolaj Firlej

Co-Founder and General Partner

Stanisław Kastory

Co-Founder

Past deals in Defence

Alpine Eagle

Seed Round in 2025
Alpine Eagle is a technology company specializing in counter-unmanned aerial systems (C-UAS). It develops hardware and software solutions to detect and mitigate threats posed by low-cost, autonomous drones. The company's offerings help identify the probability of drone incursions, enabling clients to enhance their security measures.

Comand AI

Seed Round in 2024
Comand AI specializes in developing advanced AI software for military command and control. It enhances decision-making and operational readiness in defense operations, providing a strategic advantage to armed forces. The company combines defense sector expertise with innovative technology to deliver tailored, AI-driven solutions.

Periphery

Pre Seed Round in 2024
Periphery offers embedded AI cybersecurity for critical infrastructure, defence, and medical devices. Their lightweight agents operate directly on connected hardware, employing embedded AI for real-time attack detection and prevention, even in disconnected or resource-limited settings. Additionally, they work with device makers to meet incoming product security regulations, from threat modelling to SBOM risk analysis and compliance readiness. Whether protecting devices in the field or preparing them for market, Periphery secures what others can’t see.
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