William Agathis
Investor at Greycroft
New York City, New York
William Agathis, Investor at Greycroft is an active investor based in New York City, New York. This profile covers what William Agathis backs, at which stage, and how founders can reach out in 2026.
- Investor type
- VCPEInvestment PartnerInvestor
- Stages
- Early Stage VentureSeries B
- Location
- New York City, New York
- Typical check
- $1.8M
How to reach William Agathis
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About this profile
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Cite this page
Round Funded. "William Agathis." Round Funded investor database, updated October 19, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/william-agathis
Frequently Asked Questions
Who is William Agathis?
William Agathis is an active investor, Investor at Greycroft. Round Funded tracks their focus and activity alongside thousands of investors.
What stage does William Agathis invest at?
William Agathis typically invests at Early Stage Venture and Series B. Lead with traction that fits the stage when you reach out.
What is William Agathis's typical check size?
William Agathis typically writes checks around $1.8M. 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.