Koen Verweij

Active Investor

managing partner at greenstar capital

amsterdam, Netherlands

Koen Verweij, managing partner at greenstar capital is an active investor based in amsterdam, Netherlands. This profile covers what Koen Verweij backs, at which stage, and how founders can reach out in 2026.

Managing partner at Greenstar Capital; his headline describes him as an Olympic champion and investor.

Koen Verweij typically invests at Seed and Series A.

Investor type
VC
Stages
SeedSeries A
Location
amsterdam, Netherlands
Typical check
$625K

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Cite this page

Round Funded. "Koen Verweij." Round Funded investor database, updated November 3, 2026.

Stable URL, it will not change: https://www.roundfunded.com/en/investor/koen-verweij

Frequently Asked Questions

Who is Koen Verweij?

Koen Verweij, managing partner at greenstar capital is an active investor based in amsterdam, Netherlands. Koen Verweij typically invests at Seed and Series A.

What stage does Koen Verweij invest at?

Koen Verweij typically invests at Seed and Series A. Lead with traction that fits the stage when you reach out.

What is Koen Verweij's typical check size?

Koen Verweij typically writes checks around $625K. 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.