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.
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About this profile
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Cite this page
Round Funded. "Andrew Byrnes." Round Funded investor database, updated September 28, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/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 founders reach investors like this?
Round Funded lists active investors with verified, professional contact details for signed-up founders. Filter by sector, stage and location, then send a personalized pitch from your own inbox.
What is Round Funded?
Round Funded is an investor database and outreach platform for startup founders. It lists 60,000+ active investors with verified contacts, filtered to recent investment activity, and lets founders send personalized pitches from their own Gmail, track replies, and share a free Data Room. Round+ starts at $99 per month with a 3-day trial.