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Proteus Space

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Proteus Space manufactures space flight proven, highly differentiated Electric Propulsion Systems (EPS) and related national security technologies

Los Angeles, United StatesFounded 2021Space
Valuation $25–50M Last recorded · 2025
Headcount <100 Current team size
Total funding $10–50M Disclosed equity funding
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About Proteus Space

Proteus Space, Inc. is a U.S.-owned company specializing in the development and manufacturing of Electric Propulsion Systems (EPS) for space flight, orbit, and planetary exploration. The company serves a niche market that includes government agencies, particularly the U.S. Government, and other entities involved in national security and space exploration. Proteus Space is the sole authorized licensor to the U.S. Government for field emission propulsion technologies developed by the German company Morpheus Space.

The company's primary product offerings include highly differentiated EPS and related propulsion systems designed for various space applications. These systems are known for their technical robustness and compact design, making them suitable for small satellites (CubeSats) and larger spacecraft. Proteus Space's propulsion systems have been proven in space flight, with notable achievements such as the first successful 1U CubeSat collision avoidance event in June 2020.

Proteus Space operates in the aerospace and defense market, focusing on providing advanced propulsion solutions that enhance the mobility and operational capabilities of satellites and other space assets. The company's business model revolves around manufacturing and licensing its proprietary technologies. Revenue is generated through the sale of EPS units and licensing agreements with government and commercial clients.

The leadership team includes Co-Founder and CTO Andrew Shapiro, Ph.D., and Co-Founder and Chairman David Kervin. The company also benefits from the expertise of advisors like Van Espahbodi from Starburst Aerospace and Daniel Bock from Morpheus Space. The Board of Directors includes industry veterans such as Steve Smoot from Lavrock Ventures.

Proteus Space's propulsion systems are scalable and adaptable to various satellite sizes, including 3U, 6U, and 12U configurations. The company's technology is designed to meet the demanding requirements of low Earth orbit missions and beyond, offering a range of thrust, specific impulse, and power options.

Source: Dealroom company data

At a glance

Founded
2021
Headquarters
Los Angeles, United States
Sector
Space

Investors

9 investors on the cap table

From Dealroom's funding and investor records, grouped by the round each investor first entered.

Seed9 investors entered at this stage

  • AIN Ventures
  • Moonshots Capital
  • Capital Factory
  • Lavrock Ventures
  • Mana Ventures
  • The Veteran Fund
  • Industrious Ventures
  • SAIC International Holdings
  • CrossCut Ventures
Team profiled 5 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators Hidden — book a demo quality score
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Global footprint

Workforce and web traffic by country
Workforce by country
1 countries with
team presence
🇺🇸 United States100%
1 country shown

Market sentiment

Posts on X, past 7 days

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Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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