An AI-powered LegalTech that helps lawyers review complex contracts faster and more accurately has appointed Sigurjón (Sjonni) Ísaksson as its new CTO.

The promotion follows a major year for London-based Definely, including a $30 million Series B raise, expansion into North America and multiple product launches.

Ísaksson joined in 2024 as head of AI and led the development of new products Enhance and Cascade.

The business integrates directly into Microsoft Word, aiming to support lawyers working on high-pressure, high-stakes deals without forcing them to switch platforms.