Brian Baynes
Angel investor in Boston
Boston, Massachusetts
Brian Baynes, Angel investor in Boston is an active investor based in Boston, Massachusetts. This profile covers what Brian Baynes backs, at which stage, and how founders can reach out in 2026.
- Investor type
- AngelVCFounderInvestor
- Stages
- Pre SeedSeed
- Invests in
- Climate & EnergyHealthcare & Biotech
- Location
- Boston, Massachusetts
- Typical check
- $150K
- Past investments
- 3
Notable investments
Joule Unlimited TechnologiesKaleido Biosciences, Inc.How to reach Brian Baynes
Angels and operators like Brian Baynes reply to specific, personalized notes that show real traction, not mass blasts. Build a verified list, write a note that fits their thesis, and track replies, all on Round Funded Accelerator.
Connect with Brian Baynes
Frequently Asked Questions
What does Brian Baynes invest in?
Brian Baynes invests in Climate & Energy and Healthcare & Biotech, typically at Pre Seed and Seed. Match your sector and stage, then reach out with a personalized pitch.
What stage does Brian Baynes invest at?
Brian Baynes typically invests at Pre Seed and Seed. Lead with traction that fits the stage when you reach out.
What is Brian Baynes's typical check size?
Brian Baynes typically writes checks around $150K. Use it as a signal for whether your raise fits their stage.
How do I contact Brian Baynes?
Unlock Brian Baynes's verified email on Round Funded Accelerator and send a personalized pitch. We surface only deliverable contacts so your outreach lands.