Jimmy Fussing Nielsen is a Partner and co-founder of Heartcore Capital. See sector focus and contact routes.
Jimmy Fussing Nielsen is a Partner and co-founder of Heartcore Capital, an early-stage venture capital firm in Copenhagen that he originally established as Sunstone Capital in 2007 before its 2019 rebranding. His investment thesis targets early-stage consumer technology companies across Europe, with specific focus on direct-to-consumer brands, digital marketplaces, social platforms, and mobile applications. In early 2023, he expanded the firm’s scope by launching a dedicated €15 million fund for Web3 and cryptocurrency sectors across Europe. While specific check sizes and lead/follow behavior are not publicly detailed, Heartcore Capital has backed over 100 companies across 13 countries with a total fund size of approximately $250 million. Notable portfolio companies include Tink, GetYourGuide, Peakon, Neo4j, Boozt, and TravelPerk. Nielsen is also a launching member of Leaders for Climate Action and serves as Vice-Chair of Active Owners Denmark, reflecting a point of view that integrates responsible ownership and climate action into venture investing.
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