Robin Tjassens, Senior Investment Manager Tech at Oost NL is an active investor based in Arnhem, Gelderland. This profile covers what Robin Tjassens backs, at which stage, and how founders can reach out in 2026.
Robin Tjassens is a Senior Investment Manager Tech at Oost NL, operating at the intersection of entrepreneurship, investment, and societal impact.
Robin Tjassens invests in SaaS & Enterprise, Climate & Energy and Impact & Social Enterprise, typically at Early Stage Venture.
- Location
- Arnhem, Gelderland
- Typical check
- $500K
What does Robin Tjassens invest in?
- Investor type
- VC
- Stages
- Early Stage Venture
Where is Robin Tjassens based?
Robin Tjassens is based in Arnhem, Gelderland.
How to reach Robin Tjassens
Angels and operators like Robin Tjassens 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.
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About this profile
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Cite this page
Round Funded. "Robin Tjassens." Round Funded investor database, updated September 22, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/robin-tjassens
Frequently Asked Questions
Who is Robin Tjassens?
Robin Tjassens, Senior Investment Manager Tech at Oost NL is an active investor based in Arnhem, Gelderland. Robin Tjassens invests in SaaS & Enterprise, Climate & Energy and Impact & Social Enterprise, typically at Early Stage Venture.
What does Robin Tjassens invest in?
Robin Tjassens invests in SaaS & Enterprise, Climate & Energy and Impact & Social Enterprise, typically at Early Stage Venture. Match your sector and stage, then reach out with a personalized pitch.
What stage does Robin Tjassens invest at?
Robin Tjassens typically invests at Early Stage Venture. Lead with traction that fits the stage when you reach out.
What is Robin Tjassens's typical check size?
Robin Tjassens typically writes checks around $500K. Use it as a signal for whether your raise fits their stage.
Where is Robin Tjassens based?
Robin Tjassens is based in Arnhem, Gelderland.
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.
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