Rick Grinnell
Founder and Managing Partner at Glasswing Ventures
Cambridge, Massachusetts
Rick Grinnell, Founder and Managing Partner at Glasswing Ventures is an active investor based in Cambridge, Massachusetts. This profile covers what Rick Grinnell backs, at which stage, and how founders can reach out in 2026.
- Investor type
- AngelVCPEInvestment PartnerFounderInvestor
- Stages
- Early Stage VentureSeed
- Invests in
- Artificial IntelligenceCybersecuritySaaS & Enterprise
- Location
- Cambridge, Massachusetts
- Typical check
- $375K
- Past investments
- 30
Notable investments
Black KiteAllure Security
Terbium LabsTidal CyberIBM ResilientVeloBit, Inc.NametagClearOne CommunicationsCPX Security/Pwnie ExpressDataupiaCeritasNth PartyHow to reach Rick Grinnell
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About this profile
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Round Funded. "Rick Grinnell." Round Funded investor database, updated September 9, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/rick-grinnell
Frequently Asked Questions
What does Rick Grinnell invest in?
Rick Grinnell invests in Artificial Intelligence, Cybersecurity and SaaS & Enterprise, typically at Early Stage Venture and Seed. Match your sector and stage, then reach out with a personalized pitch.
What stage does Rick Grinnell invest at?
Rick Grinnell typically invests at Early Stage Venture and Seed. Lead with traction that fits the stage when you reach out.
What is Rick Grinnell's typical check size?
Rick Grinnell typically writes checks around $375K. Use it as a signal for whether your raise fits their stage.
How do founders reach investors like this?
Round Funded lists active investors with verified, professional contact details for signed-up founders. Filter by sector, stage and location, then send a personalized pitch from your own inbox.
What is Round Funded?
Round Funded is an investor database and outreach platform for startup founders. It lists 60,000+ active investors with verified contacts, filtered to recent investment activity, and lets founders send personalized pitches from their own Gmail, track replies, and share a free Data Room. Round+ starts at $99 per month with a 3-day trial.