Marcin Fejfer
Managing Partner / Co-Founder at S20 Fund
Greater Poland Voivodeship
Marcin Fejfer, Managing Partner / Co-Founder at S20 Fund is an active investor based in Greater Poland Voivodeship. This profile covers what Marcin Fejfer backs, at which stage, and how founders can reach out in 2026.
- Investor type
- VCPECorporate VC
- Stages
- Early Stage VenturePre Seed
- Invests in
- Artificial IntelligenceFintechHealthcare & BiotechDigital Health & HealthTechSaaS & EnterpriseConsumer & RetailConsumer Goods (CPG)Climate & Energy
- Location
- Greater Poland Voivodeship
- Typical check
- $275K
- Past investments
- 40
Notable investments
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Frequently Asked Questions
What does Marcin Fejfer invest in?
Marcin Fejfer invests in Artificial Intelligence, Fintech, Healthcare & Biotech and Digital Health & HealthTech, typically at Early Stage Venture and Pre Seed. Match your sector and stage, then reach out with a personalized pitch.
How do I contact Marcin Fejfer?
Unlock Marcin Fejfer's verified email on Round Funded and send a personalized pitch. We surface only deliverable contacts so your outreach lands.
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