Jacob Tsimmerman

On July 25th, a 38-year-old Canadian mathematician, Jacob Tsimmerman, after receiving the 2026 Fields Award, announced that he was moving to AI security research and would join OpenAI ' s security services. He was also compiling a list of resources for the transfer of mathematicians, with a view to attracting more researchers into the field. Tsimmerman introduces o-minimality tools in mathematical logic into arithmetic geometry and composite algebra geometry with Benjamin Bakker, Yohan Bru..