What stage does Marlinspike Partners invest at?

Marlinspike Partners invests at the Seed, Series A, Series B, Series C, Late Stage stages.

Where is Marlinspike Partners located?

Marlinspike Partners is headquartered in Arlington, US.

Marlinspike Partners

Venture capitaloperating company · company profile

Arlington · Seed–Late Stage · 14 people tracked

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Investment thesis

Marlinspike Partners invests in aerospace and defense technologies, operating on the belief that rising geopolitical threats and great power competition make expanded government spending on defense inevitable. The firm views superior technology as the primary source of national security and seeks to back best-in-class aerospace and defense innovations, aiming to combine financial returns with a broader mission of contributing to security.

Invests inAI & Machine Learning Cybersecurity Data & Infrastructure Deep Tech Defense Tech Hardware Robotics SaaS Space Tech Arlington United States

Source: firm website, verified Aug 3, 2026.

Stage

Seed–Late Stage

Arlington, Virginia, US

Instruments

Equity

Founded

2020

Team · 14 people

from the firm's website & public directories

Neil Keegan· Co-Managing Partner, CEO· Chevy Chase, MDin

Co-founder, CEO and Co-Managing Partner of Marlinspike. Previously CEO and CIO of single-family office Roanoke Capital Management, with prior roles at Goldman Sachs and six years as a U.S. Navy Surface Warfare Officer.

n•••@marlinspike.usreveal

Chip Walter· Partner, Managing Director· Damascus, MD

Partner and Managing Director with public and private sector expertise. Former Senior Director of Northrop Grumman Ventures, CIA senior executive tied to In-Q-Tel technology sourcing, and a Naval Aviator.

c•••@marlinspike.usreveal

Tim Buzby· Partner, CFO· Alexandria, VAin

Partner and CFO with financial, compliance and reporting expertise. Former CEO/CFO of Breakout Capital and of Farmer Mac, and prior auditor at KPMG.

t•••@marlinspike.usreveal

Andrew Makridis· Advisor· Washington, District of Columbia, United Statesin

Advisor who retired in 2022 as Chief Operating Officer of the CIA after a 37-year career, including roles as President's daily intelligence briefer and leading nuclear threat and weapons analysis.

Ben Claflin· Analyst· Washington DC-Baltimore Areain

Analyst supporting due diligence, workflow optimization and market research. Former intelligence analyst at the U.S. Department of State's INR, AI/ML product owner at SHI, and co-founder of mentoring platform MentorRing.

Bryan Clark· Advisor· McLean, Virginia, United Statesin

Advisor and senior fellow directing the Center for Defense Concepts and Technology at the Hudson Institute, an expert in naval operations, electronic warfare and autonomous systems.

David Tarsa· Senior Associate· Alexandria, VAin

Senior Associate supporting due diligence, valuation underwriting, deal flow and portfolio operations. Served ten years in the U.S. Army with the 75th Ranger Regiment and 173rd Airborne Brigade.

Ellen M. Lord· Advisor· Alexandria, Virginia, United Statesin

Advisor and former Under Secretary of Defense for Acquisition and Sustainment (2017-2021) and former President and CEO of Textron Systems, with extensive defense industrial and board experience.

Grace McGill· Senior Associate

Senior Associate who began her career at RBC in debt capital markets and later worked in Balbec Capital's Capital Formation Group, helping raise capital for a private credit fund.

Jonah M. Cave· Advisor· Dallas, Texas, United Statesin

Advisor and finance executive with capital markets, alternative investments and family office experience, most recently leading partner relations at multi-family office CH Investment Partners.

Jude Akpunku· Senior Associate· Washington, District of Columbia, United Statesin

Senior Associate supporting portfolio operations, legal & government affairs and capital formation. Former U.S. Navy Surface Warfare Officer, Congressional Legislative Fellow, and member of Palantir's U.S. government legal team.

Scott A. Howell· Advisor

Retired U.S. Air Force Lieutenant General and 15th Commander of Joint Special Operations Command, previously USSOCOM Vice Commander and a career helicopter pilot.

Mislav Tolusic· Co-Managing Partner, CIO· Washington, District of Columbiain

Co-Managing Partner and CIO bringing deal sourcing, due diligence and portfolio management experience. Previously CIO/Partner at AIM13|CVP Partners, CFO of the Crumpton Group, and analyst at Highland Capital Management.

m•••@marlinspike.usreveal

Nick Snoad· Vice President· Alexandria, VAin

Vice President leading due diligence, valuation underwriting and deal flow. Former management consultant at West Monroe Partners/Pace Harmon and a U.S. Army Signal Corps officer.

n•••@marlinspike.usreveal

Frequently asked questions

What stage does Marlinspike Partners invest at?: Marlinspike Partners invests at the Seed, Series A, Series B, Series C, Late Stage stages.
What sectors does Marlinspike Partners focus on?: Marlinspike Partners focuses on AI & Machine Learning, Cybersecurity, Data & Infrastructure, Deep Tech, Defense Tech, Hardware, Robotics, SaaS, Space Tech.
Where is Marlinspike Partners located?: Marlinspike Partners is headquartered in Arlington, US.

Co-investors · 2

Tq Ventures Llc

TQ Ventures is an early-stage venture capital firm whose team invests from first principles and commits deeply to the founders it backs.

Stealth Capital

A team of analytical investors, traders, and builders employing data-driven and first-principles approaches to identify market trends and solve complex problems across diverse segments.

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