Marlinspike Partners

Profile

Marlinspike Partners is a venture capital firm based in Arlington, Virginia, specializing in dual-use technologies with applications in both national security and commercial markets. Founded in 2020 by Neil Keegan and Mislav Tolusic, the firm focuses on investments at the intersection of AI, autonomy, advanced manufacturing, and other critical sectors. The team brings a wealth of experience from both public and private sectors, featuring former executives from organizations such as Goldman Sachs and the U.S. Navy.

Marlinspike invests in early-stage companies, aiming to support the convergence of advanced technologies that address critical national security needs. They primarily invest in aerospace, AI & machine learning, autonomy & robotics, and cybersecurity. Their typical investment size aligns with early-stage funding, and they focus on the United States and allied countries. Key backers include institutional investors like Conway Investment Solutions and Fairfax County Retirement Systems. Marlinspike Disruptive Technology Fund I launched in 2022, and Fund II closed at $127 million in 2026.

Notable investments by Marlinspike include companies like Anduril Industries - defense technology, Armada - autonomous systems, Voyager Technologies - space tech, Elroy Air - autonomous aerial cargo systems, and Layup Parts - advanced manufacturing. Their investment strategy focuses on nurturing technologies with both national defense and commercial viability.