Jakub Havrlant built Rockaway as a serial entrepreneur's platform backed by Central Europe's wealthiest founders who explicitly invest in his personal vision rather than a traditional fund, and he pioneered a hybrid family-office model that pools entrepreneurial capital into flexible vehicles competing directly with large PE funds. He was the first investor in Productboard and co-founded United Founders, an €80M founders backing founders vehicle for frontier tech, while evolving Rockaway from a Jakub-centric operation into a multi-partner firm spanning venture, private equity, and blockchain with an unusually broad technology-focused capital stack.