K Fund
Madrid, Spain · AcceleratorFounded 2016. Entrepreneur-friendly fund backing product-led Spanish tech startups.
A veteran of Poland’s startup scene, Mariusz founded GoldenLine and DocPlanner. Alongside running a unicorn-scale company (DocPlanner), he has been an angel in numerous startups including Preply, Shoplo, Positionly, and Brainly. He often provides both capital and guidance on scaling to international markets. Associated startups: Preply, Shoplo, Positionly, Brainly, Allani, among others.
Warsaw, Poland
Angel Investor
Seed to Series A
/poland/angel-investor/mariusz-gralewski
Founded 2016. Entrepreneur-friendly fund backing product-led Spanish tech startups.
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