RSJ is a Czech financial group, not a traditional early-stage VC fund. It rests on two pillars: (1) RSJ Securities -- one of Europe's oldest algorithmic proprietary trading/market-making firms; and (2) RSJ Investments -- a diversified investment manager covering real estate, private equity, agriculture and technology, including as an LP/co-investor in CEE-focused VC funds (e.g. Credo Ventures, Blossom Capital) and direct stakes in tech companies (UiPath, ElevenLabs, Pigment, BioXcel). RSJ does n