William Sun
Managing Partner, Fidem Capital Partners at Fidem Capital Partners
London, England
William Sun, Managing Partner, Fidem Capital Partners at Fidem Capital Partners is an active investor based in London, England. This profile covers what William Sun backs, at which stage, and how founders can reach out in 2026.
William Sun is the Managing Partner and CEO of Fidem Capital Partners, with experience in investment banking, asset management, and angel investing.
- Investor type
- VCAngel
- Stages
- Early Stage Venture
- Invests in
- SaaS & EnterpriseFintechPropTech & Real EstateImpact & Social Enterprise
- Location
- London, England
- Typical check
- $500K
How to reach William Sun
Angels and operators like William Sun 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.
Connect with William Sun
About this profile
This profile is part of Round Funded, an investor database and outreach platform for founders. It covers 60,000+ active VCs, angels, family offices and accelerators with verified contacts, lets you send pitches from your own Gmail, and includes a free Data Room for your raise.
Frequently Asked Questions
What does William Sun invest in?
William Sun invests in SaaS & Enterprise, Fintech, PropTech & Real Estate and Impact & Social Enterprise, typically at Early Stage Venture. Match your sector and stage, then reach out with a personalized pitch.
What stage does William Sun invest at?
William Sun typically invests at Early Stage Venture. Lead with traction that fits the stage when you reach out.
What is William Sun's typical check size?
William Sun typically writes checks around $500K. Use it as a signal for whether your raise fits their stage.
How do I contact William Sun?
Unlock William Sun's verified email on Round Funded and send a personalized pitch. We surface only deliverable contacts so your outreach lands.
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.