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Rick Grinnell
InvestorFounderFounder and Managing Partner at Glasswing Ventures
Cambridge, Massachusetts
Writes $100K – $5M checks · typically $1.5M
FoundedGlasswing Ventures
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About
Founder and Managing Partner of Glasswing Ventures focused on AI-enabled security and enterprise infrastructure, with a 24-year venture and operating career and prior role as Managing Director at Fairhaven Capital. He holds engineering degrees from MIT and an MBA from HBS.
Contact· self-published, not guessed
Invests in
AI & Machine LearningCybersecurityData & InfrastructureDeveloper ToolsEnterprise Software
Founder & Managing Partner at Glasswing Ventures
Intro paths
In turn, Rick can intro founders to Glasswing Ventures's investors below.
Glasswing Ventures's investors · 1
Co-founders at Glasswing Ventures
Deals · 1
LambentBoard seat
via Glasswing Ventures · filed Apr 2026 · $12.5M raise
Attribution from SEC filings, press coverage, and firm rosters.
Other disclosed investments
Board seats
Investor
Allure SecurityBase OperationsBlack KiteCraft.coCydelphiDataupiaIBM ResilientNoetic Cyberotto-jsPrelertPwnie ExpressRealm.SecuritySigma AutomateSmarthiveTerbium LabsTrackviaTrustleTwosenseVeloBit
Sources: SEC Form D filings · curated public sources.
Colleagues at Glasswing Ventures
Network2
Investors connected to Rick in public investor directories — a warm-intro map.
Frequently asked questions
- Who is Rick Grinnell?
- Founder and Managing Partner of Glasswing Ventures focused on AI-enabled security and enterprise infrastructure, with a 24-year venture and operating career and prior role as Managing Director at Fairhaven Capital. He holds engineering degrees from MIT and an MBA from HBS.
- Where does Rick Grinnell work?
- Rick Grinnell is Founder & Managing Partner of Glasswing Ventures and Founder and Managing Partner at Glasswing Ventures.
- What does Rick Grinnell invest in?
- Rick Grinnell invests in AI & Machine Learning, Cybersecurity, Data & Infrastructure, Developer Tools, Enterprise Software.
- What check size does Rick Grinnell write?
- Rick Grinnell typically writes checks of $100K – $5M.
- What companies did Rick Grinnell found?
- Rick Grinnell founded Glasswing Ventures.
- What boards does Rick Grinnell sit on?
- Rick Grinnell holds tracked board seats at Lambent, Loom Security.
- What companies has Rick Grinnell invested in?
- Investments tracked here include Allure Security, Base Operations, Black Kite, Craft.co, Cydelphi, Dataupia, IBM Resilient, Lambent, Noetic Cyber, otto-js, Prelert, Pwnie Express, and 8 more.
About this profile. Compiled from public sources — Glasswing 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