Peter Guest
Co-Founder and Partner in Willowtree Capital at Willowtree Capital
Belfast Metropolitan Area, United Kingdom
Peter Guest, Co-Founder and Partner in Willowtree Capital at Willowtree Capital is an active investor based in Belfast Metropolitan Area, United Kingdom. This profile covers what Peter Guest backs, at which stage, and how founders can reach out in 2026.
Peter Guest is a Co-Founder and Partner at Willowtree Capital with over twenty-five years of experience in high-profile companies and startups.
Peter Guest invests in SaaS & Enterprise, typically at Early Stage Venture.
- Investor type
- VC
- Stages
- Early Stage Venture
- Invests in
- SaaS & Enterprise
- Location
- Belfast Metropolitan Area, United Kingdom
- Typical check
- $500K
How to reach Peter Guest
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About this profile
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Cite this page
Round Funded. "Peter Guest." Round Funded investor database, updated November 3, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/peter-guest
Frequently Asked Questions
Who is Peter Guest?
Peter Guest, Co-Founder and Partner in Willowtree Capital at Willowtree Capital is an active investor based in Belfast Metropolitan Area, United Kingdom. Peter Guest invests in SaaS & Enterprise, typically at Early Stage Venture.
What does Peter Guest invest in?
Peter Guest invests in SaaS & Enterprise, typically at Early Stage Venture. Match your sector and stage, then reach out with a personalized pitch.
What stage does Peter Guest invest at?
Peter Guest typically invests at Early Stage Venture. Lead with traction that fits the stage when you reach out.
What is Peter Guest's typical check size?
Peter Guest 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.