Marcin Pietras

Marcin Pietras is a Partner at Market One Capital, a European early-stage venture capital firm based in Warsaw, Poland. In this role, he oversees seed and Series A investments across digital marketplaces and network effect platforms, managing a multimillion-euro portfolio that includes technology startups like Tier Mobility and Docplanner. Prior to cofounding Market One Capital in 2017, Pietras served as a Partner at Protos Venture Capital, where he executed numerous technology investments and facilitated multiple successful portfolio exits. His foundational operational expertise stems from his tenure as a core management team member at GoldenLine, a prominent Polish professional networking platform that successfully scaled to millions of active users prior to its strategic acquisition. Today, his primary investment focus remains on identifying and supporting pan-European founders who are building highly scalable B2B and B2C marketplace models.