Fundraising Fox

Seth Winterroth

Investor

Partner at Eclipse Ventures Β· Board director at Foxglove Β· Board director at Oxide Computer

Palo Alto, California

Writes $200K – $5M checks Β· typically $2.5M

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.

ContactΒ· self-published, not guessed

Beyond investing

Education
Studied at Stanford University (BS, Mechanical Engineering)

From published sources β€” common ground for a warm intro.

Board director at Foxglove

Intro paths

β†’

In turn, Seth can intro founders to Foxglove's investors below.

Co-founders at Foxglove

AMAdrian Macneil
Adrian MacneilCEO and Co-Founder
RSRoman Shtylman
Roman ShtylmanCTO and Co-Founder

Board director at Oxide Computer

Intro paths

β†’

In turn, Seth can intro founders to Oxide Computer's investors below.

Co-founders at Oxide Computer

ST
Steven TuckExecutive Officer, Director
BC
Bryan CantrillExecutive Officer, Director
JF
Jessica FrazelleExecutive Officer
JF
Jessie FrazelleFounder

Experience

  1. EclipsePartnercurrent2015 β€” presentSan Francisco Bay Area
  2. WayveBoard Membercurrent2019 β€” present
  3. MytraBoard Membercurrent2022 β€” presentSan Francisco Bay Area
  4. Oxide Computer CompanyBoard Membercurrent2019 β€” present
  5. Ursa MajorBoard Membercurrent2023 β€” presentColorado, United States
  6. True AnomalyBoard Membercurrent2022 β€” presentDenver, Colorado, United States
  7. FoxgloveBoard Membercurrent2022 β€” presentSan Francisco Bay Area
  8. TenstorrentInvestorcurrent2017 β€” presentToronto, Ontario, Canada
  9. ForSight RoboticsBoard Membercurrent2021 β€” present
  10. Blue Water AutonomyBoard Membercurrent2024 β€” presentGreater Boston
  11. Quantum Source Labs LtdBoard Membercurrent2021 β€” presentIsrael
  12. RideCo. On-Demand TransitBoard Membercurrent2021 β€” present
  13. Third Wave AutomationBoard Membercurrent2018 β€” presentSan Francisco Bay Area
  14. Restera SleepBoard Member2017 β€” 2025San Francisco Bay Area
  15. 6 River Systems, Inc.Board Observer2016 β€” 2019Greater Boston
  16. GE VenturesAssociate2013 β€” 2015Menlo Park, CA & Chicago
  17. GEAssociate2012 β€” 2013

Skills & more

Microsoft Excel7Venture Capital47Robotics303D Printing25Manufacturing12Financial Analysis27Valuation18Financial Modeling27Private Equity12Corporate Finance23Finance11Corporate Venture Capital7
+9 moreMedical DevicesPublic SpeakingBusiness StrategyEntrepreneurshipDue DiligenceLeadershipResearchStart-upsStrategy

From Seth's professional profile.

Deals Β· 4

Oxide ComputerBoard seat

via Eclipse Ventures Β· filed Jan 2026 Β· $200M raise

press β†—

FoxgloveBoard seat

via Eclipse Ventures Β· filed Nov 2025 Β· $40M raise

Invicta MedicalBoard seat

via Eclipse Ventures Β· filed Apr 2023 Β· $25M raise

Wiivv WearablesBoard seat

via Eclipse Ventures Β· filed Aug 2016 Β· $3.9M raise

Attribution from SEC filings, press coverage, and firm rosters.

Other disclosed investments

Led

Relativity Space

Investor

ApexHadrianShield AI

Sources: curated public sources Β· SEC Form D filings.

Colleagues at Eclipse Ventures

Network1

Investors connected to Seth in public investor directories β€” 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 and Board director at Foxglove and Board director at Oxide Computer.
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, Apex, Hadrian, Shield AI.
Where did Seth Winterroth go to school?
Seth Winterroth studied at Claremont McKenna College.
Does Seth Winterroth lead rounds?
Yes β€” Seth Winterroth has led 1 tracked investment.

Same school

Shared employers