Brian O'Neill
Angel investor in Arlington
Arlington, Virginia
Brian O'Neill, Angel investor in Arlington is an active investor based in Arlington, Virginia. This profile covers what Brian O'Neill backs, at which stage, and how founders can reach out in 2026.
- Investor type
- Angel
- Stages
- Pre SeedSeed
- Invests in
- Healthcare & Biotech
- Location
- Arlington, Virginia
- Typical check
- $150K
- Past investments
- 1
Notable investments
How to reach Brian O'Neill
Angels and operators like Brian O'Neill 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 O'Neill
Frequently Asked Questions
What does Brian O'Neill invest in?
Brian O'Neill invests in Healthcare & Biotech, typically at Pre Seed and Seed. Match your sector and stage, then reach out with a personalized pitch.
What stage does Brian O'Neill invest at?
Brian O'Neill typically invests at Pre Seed and Seed. Lead with traction that fits the stage when you reach out.
What is Brian O'Neill's typical check size?
Brian O'Neill typically writes checks around $150K. Use it as a signal for whether your raise fits their stage.
How do I contact Brian O'Neill?
Unlock Brian O'Neill's verified email on Round Funded Accelerator and send a personalized pitch. We surface only deliverable contacts so your outreach lands.