Andrew Byrnes
Founder & Principal at Byrnes Impact
San Francisco, California
Andrew Byrnes, Founder & Principal at Byrnes Impact is an active investor based in San Francisco, California. This profile covers what Andrew Byrnes backs, at which stage, and how founders can reach out in 2026.
- Investor type
- AngelInvestment PartnerAcceleratorInvestor
- Stages
- Pre SeedSeed
- Invests in
- Healthcare & BiotechBiotech & PharmaMedTech & Medical DevicesSaaS & EnterpriseConsumer & RetailIoT & Connected DevicesSports & FitnessMarketplace
- Location
- San Francisco, California
- Typical check
- $150K
- Past investments
- 4
Notable investments
UberADAPDIXAqua MembranesGalavantierHow to reach Andrew Byrnes
Angels and operators like Andrew Byrnes 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 Andrew Byrnes
Frequently Asked Questions
What does Andrew Byrnes invest in?
Andrew Byrnes invests in Healthcare & Biotech, Biotech & Pharma, MedTech & Medical Devices and SaaS & Enterprise, typically at Pre Seed and Seed. Match your sector and stage, then reach out with a personalized pitch.
What stage does Andrew Byrnes invest at?
Andrew Byrnes typically invests at Pre Seed and Seed. Lead with traction that fits the stage when you reach out.
What is Andrew Byrnes's typical check size?
Andrew Byrnes typically writes checks around $150K. Use it as a signal for whether your raise fits their stage.
How do I contact Andrew Byrnes?
Unlock Andrew Byrnes's verified email on Round Funded Accelerator and send a personalized pitch. We surface only deliverable contacts so your outreach lands.