{"id":"e806bb8a-049b-4a1c-ae8c-61a95b719d45","slug":"hjalmar-nilsonne","name":"Hjalmar Nilsonne","bioBrief":"Swedish serial entrepreneur and engineer specializing in energy systems and machine learning. Co-founder and CEO of Neko Health, the Stockholm-based health-tech startup founded with Spotify CEO Daniel Ek, focused on proactive data-driven healthcare and early disease detection.","priorExits":null,"nationality":"Swedish","verificationPosture":"verified","aliases":[],"sources":[{"url":"https://sxswlondon.com/speakers/hjalmar-nilsonne-814446c7","title":"Hjalmar Nilsonne — Co-Founder & CEO of Neko Health","sourceName":"SXSW London 2026"},{"url":"https://se.linkedin.com/in/nilsonne","title":"Hjalmar Nilsonne — Neko Health, KTH alumnus","sourceName":"LinkedIn"}],"reviewStatus":"reviewed","createdAt":"2026-07-22T22:19:06.181Z","updatedAt":"2026-07-30T22:26:05.859Z","educations":[],"companyRoles":[{"id":"febc76d1-9086-4bbe-ac13-26c7660415bf","personId":"e806bb8a-049b-4a1c-ae8c-61a95b719d45","companyId":"4f42ef4f-65fa-4273-9a00-6586ca85c08a","role":"ceo","roleTitle":"Co-founder & CEO","startDate":null,"endDate":null,"currentRole":true,"roleBasis":"verified_secondary","createdAt":"2026-07-22T22:19:06.941Z","company":{"slug":"neko-health","name":"Neko Health"}}],"boardRoles":[],"investorRoles":[],"foundings":[]}