Ryan Flannery, Venture investor in San Francisco is an active investor based in San Francisco, California. This profile covers what Ryan Flannery backs, at which stage, and how founders can reach out in 2026.
Experienced in deep tech venture investing and early-stage technology commercialization across materials science, climate tech, optics, and energy.
Ryan Flannery invests in Hardware & Deep Tech, Climate & Energy and Robotics & Automation, typically at Seed, Series A and Early Stage Venture.
- Investor type
- VC
- Stages
- SeedSeries AEarly Stage Venture
- Invests in
- Hardware & Deep TechClimate & EnergyRobotics & Automation
- Location
- San Francisco, California
- Typical check
- $500K
How to reach Ryan Flannery
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About this profile
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Round Funded. "Ryan Flannery." Round Funded investor database, updated November 3, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/ryan-flannery
Frequently Asked Questions
Who is Ryan Flannery?
Ryan Flannery, Venture investor in San Francisco is an active investor based in San Francisco, California. Ryan Flannery invests in Hardware & Deep Tech, Climate & Energy and Robotics & Automation, typically at Seed, Series A and Early Stage Venture.
What does Ryan Flannery invest in?
Ryan Flannery invests in Hardware & Deep Tech, Climate & Energy and Robotics & Automation, typically at Seed, Series A and Early Stage Venture. Match your sector and stage, then reach out with a personalized pitch.
What stage does Ryan Flannery invest at?
Ryan Flannery typically invests at Seed, Series A and Early Stage Venture. Lead with traction that fits the stage when you reach out.
What is Ryan Flannery's typical check size?
Ryan Flannery typically writes checks around $500K. 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.