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Seth Winterroth
InvestorPartner at Eclipse Ventures
Palo Alto, California
Writes $200K – $5M checks · typically $2.5M
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About
Seth Winterroth is a Partner at Eclipse Ventures, where he invests in early-stage deep tech companies across the enterprise and industrial sectors. Before entering venture capital, he held engineering and operations roles at the drone delivery startup Zipline and practiced law at Cooley LLP. He earned a Bachelor of Science in Mechanical Engineering from Stanford University. At Eclipse, he has directed investments into hardware and software startups including Hadrian, Apex, and Shield AI. In September 2024, he co-led the firm's participation in the Series F funding round for aerospace manufacturer Relativity Space. His investment focus centers on startups operating at the intersection of robotics, automation, aerospace, and physical systems.
Contact· self-published, not guessed
Beyond investing
- Education
- Studied at Stanford University (BS, Mechanical Engineering)
From published sources — common ground for a warm intro.
Deals · 4
Oxide ComputerBoard seat
via Eclipse Ventures · filed Jan 2026 · $200M raise
FoxgloveBoard seat
via Eclipse Ventures · filed Nov 2025 · $40M raise
Invicta MedicalBoard seat
via Eclipse Ventures · filed Apr 2023 · $25M raise
Wiivv WearablesBoard seat
via Eclipse Ventures · filed Aug 2016 · $3.9M raise
Attribution from SEC filings, press coverage, and firm rosters.
Other disclosed investments
Led
Relativity Space
Investor
6 River SystemsApexBlue Water AutonomyClearpath RoboticsFitmyfootForSight RoboticsHadrianImpossible AerospaceLighthouseMarbleMytraQuantum SourceRideCoShield AIteaBOTThird Wave AutomationTrue AnomalyUrsa MajorWayve
Sources: curated public sources · SEC Form D filings.
Colleagues at Eclipse Ventures
Network1
Investors connected to Seth in public investor directories — a warm-intro map.
Frequently asked questions
- Who is Seth Winterroth?
- Seth Winterroth is a Partner at Eclipse Ventures, where he invests in early-stage deep tech companies across the enterprise and industrial sectors. Before entering venture capital, he held engineering and operations roles at the drone delivery startup Zipline and practiced law at Cooley LLP. He earned a Bachelor of Science in Mechanical Engineering from Stanford University. At Eclipse, he has directed investments into hardware and software startups including Hadrian, Apex, and Shield AI. In September 2024, he co-led the firm's participation in the Series F funding round for aerospace manufacturer Relativity Space. His investment focus centers on startups operating at the intersection of robotics, automation, aerospace, and physical systems.
- Where does Seth Winterroth work?
- Seth Winterroth is Partner at Eclipse Ventures.
- What check size does Seth Winterroth write?
- Seth Winterroth typically writes checks of $200K – $5M.
- What boards does Seth Winterroth sit on?
- Seth Winterroth holds tracked board seats at Foxglove, Invicta Medical, Oxide Computer, Wiivv Wearables.
- What companies has Seth Winterroth invested in?
- Investments tracked here include Relativity Space, 6 River Systems, Apex, Blue Water Autonomy, Clearpath Robotics, Fitmyfoot, ForSight Robotics, Foxglove, Hadrian, Impossible Aerospace, Lighthouse, Marble, and 10 more.
- Does Seth Winterroth lead rounds?
- Yes — Seth Winterroth has led 1 tracked investment.
About this profile. Compiled from public sources — Eclipse Ventures's own website, regulatory filings and public professional profiles — and summarised by Fundraising Fox; every fact is kept with where it came from. Spotted an error, or would rather not be listed? Email privacy@fundraisingfox.com · How we build profiles · Your rights