Peter O'Brien

Peter O'Brien

Active Investor

Angel investor in Dublin

Dublin, Leinster

Peter O'Brien, Angel investor in Dublin is an active investor based in Dublin, Leinster. This profile covers what Peter O'Brien backs, at which stage, and how founders can reach out in 2026.

Investor type
AngelVCFinance Operator
Stages
Pre SeedSeedSeries ASeries B
Invests in
FintechHealthcare & BiotechSaaS & EnterpriseDeveloper Tools & DataPropTech & Real EstateGaming & EntertainmentMedia & ContentSports & Fitness
Location
Dublin, Leinster
Typical check
$625K
Past investments
1

Notable investments

Capso

How to reach Peter O'Brien

Angels and operators like Peter O'Brien 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 Peter O'Brien

Application closes in --:--:--
Email Peter O'Brien

Frequently Asked Questions

What does Peter O'Brien invest in?

Peter O'Brien invests in Fintech, Healthcare & Biotech, SaaS & Enterprise and Developer Tools & Data, typically at Pre Seed, Seed, Series A and Series B. Match your sector and stage, then reach out with a personalized pitch.

What stage does Peter O'Brien invest at?

Peter O'Brien typically invests at Pre Seed, Seed, Series A and Series B. Lead with traction that fits the stage when you reach out.

What is Peter O'Brien's typical check size?

Peter O'Brien typically writes checks around $625K. Use it as a signal for whether your raise fits their stage.

How do I contact Peter O'Brien?

Unlock Peter O'Brien's verified email on Round Funded Accelerator and send a personalized pitch. We surface only deliverable contacts so your outreach lands.

Application closes in --:--:--
Email Peter O'Brien