MCI Capital
Warsaw, Poland · AcceleratorFounded 1999. Growth equity and VC firm investing in digital disruptors across CEE.
CEO/co-founder of Klarna, Sebastian has Polish roots and has made angel investments in Poland. He participated in funding for Warsaw-based custom packaging startup Packhelp, among others. His presence brings a bit of Scandinavian fintech savvy to the Polish ecosystem. Associated startups: Packhelp (and likely other Polish e-commerce enablers).
Warsaw, Poland
Angel Investor
Seed to Series A
/poland/angel-investor/sebastian-siemiatkowski
Founded 1999. Growth equity and VC firm investing in digital disruptors across CEE.
Active since 2018. Smart-tech accelerator scaling startups across Central and Eastern Europe with programs like AccelStart, AccelBoost, and Green Impact. Support: specialized accelerators, corporate partner network, mentoring. Scope: Regional (CEE).
Founded 2018. Growth-stage investor backing enterprise software and fintech scale-ups from Central Europe.
Founded 2017. Marketplace-focused fund investing at seed and pre-Series A across Europe.
Deep tech fund founded 2017 investing in AI, space, and fintech from Central Europe.
Hybrid VC fund and tech innovation hub founded in 2016 running accelerator programs at The Factory and investing in early-stage digital and fintech startups. Support: equity investment, mentorship from in-house experts, workspace access. Scope: National.