Eric O`Brien
Co-Founder & Managing Director at Fall Line Capital
San Mateo, California
Eric O`Brien, Co-Founder & Managing Director at Fall Line Capital is an active investor based in San Mateo, California. This profile covers what Eric O`Brien backs, at which stage, and how founders can reach out in 2026.
- Investor type
- AngelVCInvestment Partner
- Stages
- Series ASeries B
- Invests in
- Healthcare & BiotechFoodTech & AgricultureMarketplace
- Location
- San Mateo, California
- Typical check
- $2M
- Past investments
- 2
Notable investments
DomaMatchinguu GmbHHow to reach Eric O`Brien
Angels and operators like Eric 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 Eric O`Brien
Frequently Asked Questions
What does Eric O`Brien invest in?
Eric O`Brien invests in Healthcare & Biotech, FoodTech & Agriculture and Marketplace, typically at Series A and Series B. Match your sector and stage, then reach out with a personalized pitch.
What stage does Eric O`Brien invest at?
Eric O`Brien typically invests at Series A and Series B. Lead with traction that fits the stage when you reach out.
What is Eric O`Brien's typical check size?
Eric O`Brien typically writes checks around $2M. Use it as a signal for whether your raise fits their stage.
How do I contact Eric O`Brien?
Unlock Eric O`Brien's verified email on Round Funded Accelerator and send a personalized pitch. We surface only deliverable contacts so your outreach lands.