Sigurjón Ísaksson, AKA Sjonni, is Chief Technology Officer at Definely. He joined in 2024 as Head of AI, where he led the development of Definely's products and shaped the company's agent architecture. With nearly a decade as a machine learning engineer, Sjonni is focused on building specialised AI products that hold up under real-world pressure, from early-stage startups to scaled legaltech platforms.
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