Martin Sieber
Angel investor in Berlin
Berlin, Germany
Martin Sieber, Angel investor in Berlin is an active investor based in Berlin, Germany. This profile covers what Martin Sieber backs, at which stage, and how founders can reach out in 2026.
- Investor type
- AngelOperator
- Stages
- Pre SeedSeed
- Invests in
- FintechPaymentsSaaS & EnterpriseConsumer & RetailE-commerce & D2CFoodTech & AgricultureFood & BeverageMarketplace
- Location
- Berlin, Germany
- Typical check
- $150K
- Past investments
- 3
Notable investments
Insightness
GetYourGuideHow to reach Martin Sieber
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Frequently Asked Questions
What does Martin Sieber invest in?
Martin Sieber invests in Fintech, Payments, SaaS & Enterprise and Consumer & Retail, typically at Pre Seed and Seed. Match your sector and stage, then reach out with a personalized pitch.
What stage does Martin Sieber invest at?
Martin Sieber typically invests at Pre Seed and Seed. Lead with traction that fits the stage when you reach out.
What is Martin Sieber's typical check size?
Martin Sieber typically writes checks around $150K. Use it as a signal for whether your raise fits their stage.
How do I contact Martin Sieber?
Unlock Martin Sieber's verified email on Round Funded Accelerator and send a personalized pitch. We surface only deliverable contacts so your outreach lands.