Nathan Guinane
Principal at SIGU Capital at SIGU Capital
St Clair Shores, Michigan
Nathan Guinane, Principal at SIGU Capital at SIGU Capital is an active investor based in St Clair Shores, Michigan. This profile covers what Nathan Guinane backs, at which stage, and how founders can reach out in 2026.
Nathan Guinane is a Principal at SIGU Capital and Divergent Capital, focusing on private credit and operational businesses.
Nathan Guinane invests in Fintech, typically at Early Stage Venture.
- Investor type
- VC
- Stages
- Early Stage Venture
- Invests in
- Fintech
- Location
- St Clair Shores, Michigan
- Typical check
- $500K
How to reach Nathan Guinane
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Round Funded. "Nathan Guinane." Round Funded investor database, updated November 3, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/nathan-guinane
Frequently Asked Questions
Who is Nathan Guinane?
Nathan Guinane, Principal at SIGU Capital at SIGU Capital is an active investor based in St Clair Shores, Michigan. Nathan Guinane invests in Fintech, typically at Early Stage Venture.
What does Nathan Guinane invest in?
Nathan Guinane invests in Fintech, typically at Early Stage Venture. Match your sector and stage, then reach out with a personalized pitch.
What stage does Nathan Guinane invest at?
Nathan Guinane typically invests at Early Stage Venture. Lead with traction that fits the stage when you reach out.
What is Nathan Guinane's typical check size?
Nathan Guinane 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.