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
- Media & ContentMarketplacePropTech & Real EstateE-commerce & D2CFintech
- Location
- Portland, Maine
- Typical check
- $150K
- Past investments
- 4
Notable investments
FinmarkHow to reach Frank Gruber
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Connect with Frank Gruber
Frequently Asked Questions
What does Frank Gruber invest in?
Frank Gruber invests in Media & Content, Marketplace, PropTech & Real Estate and E-commerce & D2C, typically at Pre Seed and Seed. Match your sector and stage, then reach out with a personalized pitch.
What stage does Frank Gruber invest at?
Frank Gruber typically invests at Pre Seed and Seed. Lead with traction that fits the stage when you reach out.
What is Frank Gruber's typical check size?
Frank Gruber typically writes checks around $150K. Use it as a signal for whether your raise fits their stage.
How do I contact Frank Gruber?
Unlock Frank Gruber's verified email on Round Funded Accelerator and send a personalized pitch. We surface only deliverable contacts so your outreach lands.