William S. Hannon
Founder, MM at G&S Capital Partners LLC.
Miami Beach, Florida
William S. Hannon, Founder, MM at G&S Capital Partners LLC. is an active investor based in Miami Beach, Florida. This profile covers what William S. Hannon backs, at which stage, and how founders can reach out in 2026.
William S. Hannon is the Founder of G&S Capital Partners LLC, an impact venture capital firm focused on early-stage companies creating positive societal impact.
William S. Hannon invests in Impact & Social Enterprise, Artificial Intelligence and Cybersecurity, typically at Seed and Early Stage Venture.
- Investor type
- VC
- Stages
- SeedEarly Stage Venture
- Invests in
- Impact & Social EnterpriseArtificial IntelligenceCybersecurity
- Location
- Miami Beach, Florida
- Typical check
- $375K
How to reach William S. Hannon
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Round Funded. "William S. Hannon." Round Funded investor database, updated November 3, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/william-s-hannon
Frequently Asked Questions
Who is William S. Hannon?
William S. Hannon, Founder, MM at G&S Capital Partners LLC. is an active investor based in Miami Beach, Florida. William S. Hannon invests in Impact & Social Enterprise, Artificial Intelligence and Cybersecurity, typically at Seed and Early Stage Venture.
What does William S. Hannon invest in?
William S. Hannon invests in Impact & Social Enterprise, Artificial Intelligence and Cybersecurity, typically at Seed and Early Stage Venture. Match your sector and stage, then reach out with a personalized pitch.
What stage does William S. Hannon invest at?
William S. Hannon typically invests at Seed and Early Stage Venture. Lead with traction that fits the stage when you reach out.
What is William S. Hannon's typical check size?
William S. Hannon typically writes checks around $375K. 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.