Josef Rubin
Venture investor in So Paulo
São Paulo, São Paulo
Josef Rubin, Venture investor in So Paulo is an active investor based in São Paulo, São Paulo. This profile covers what Josef Rubin backs, at which stage, and how founders can reach out in 2026.
- Investor type
- VCInvestor
- Stages
- Seed
- Invests in
- EdTechFintech
- Location
- São Paulo, São Paulo
- Typical check
- $250K
- Past investments
- 4
Notable investments
How to reach Josef Rubin
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About this profile
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Cite this page
Round Funded. "Josef Rubin." Round Funded investor database, updated September 9, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/josef-rubin
Frequently Asked Questions
What does Josef Rubin invest in?
Josef Rubin invests in EdTech and Fintech, typically at Seed. Match your sector and stage, then reach out with a personalized pitch.
What stage does Josef Rubin invest at?
Josef Rubin typically invests at Seed. Lead with traction that fits the stage when you reach out.
What is Josef Rubin's typical check size?
Josef Rubin typically writes checks around $250K. 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.