Frank Gruber
Cofounder & Co-CEO at Established Ventures
Portland, Maine
Frank Gruber, Cofounder & Co-CEO at Established Ventures is an active investor based in Portland, Maine. This profile covers what Frank Gruber backs, at which stage, and how founders can reach out in 2026.
- Investor type
- AngelVCPEInvestor
- Stages
- Pre SeedSeed
- Invests in
- FintechPaymentsHealthcare & BiotechDigital Health & HealthTechSaaS & EnterpriseConsumer & RetailEdTech
- Location
- Portland, Maine
- Typical check
- $150K
- Past investments
- 4
Notable investments
How to reach Frank Gruber
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Frequently Asked Questions
What does Frank Gruber invest in?
Frank Gruber invests in Fintech, Payments, Healthcare & Biotech and Digital Health & HealthTech, typically at Pre Seed and Seed. Match your sector and stage, then reach out with a personalized pitch.
How do I contact Frank Gruber?
Unlock Frank Gruber's verified email on Round Funded and send a personalized pitch. We surface only deliverable contacts so your outreach lands.
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