Jacob Tsimerman, a recent Fields Medal winner, is transitioning from mathematics to OpenAI to focus on AI safety, citing concerns over the technology's rapid advancement and potential risks.
Key facts
- •Jacob Tsimerman is one of only 68 people to have won the Fields Medal, often called the Nobel Prize of mathematics.
- •Tsimerman is joining OpenAI to work on AI safety after observing AI's rapid progress in solving open mathematical problems.
- •In 2025, Tsimerman co-authored a paper detailing various theoretical scenarios where AI could lead to human extinction.
- •He advocates for rigorous, scientific verification processes and international oversight for AI models before their release.
- •Tsimerman previously made progress on the Hodge conjecture, a Millennium Prize Problem, using the concept of o-minimality.
Jacob Tsimerman, a professor at the University of Toronto and recent recipient of the Fields Medal, has announced he is leaving mathematics to join OpenAI. Tsimerman, one of only 68 people to win the prestigious award, intends to focus his efforts on AI safety. He cited the rapid pace at which AI is solving complex mathematical problems and his concerns regarding potential existential risks as primary reasons for the career shift.
Concerns Over AI Risks
Tsimerman expressed concern that AI development could lead to scenarios ranging from unintentional neglect of human needs to intentional threats against civilization. In 2025, he co-authored a paper exploring various paths to human extinction, including the potential for nation-states to use AI in warfare or for autonomous systems to seize control of critical infrastructure. He stated that his goal in exploring these scenarios is to provide concrete details that can help researchers develop effective preventative measures.
Future Work in AI Safety
At OpenAI, Tsimerman plans to focus on creating more rigorous, scientific verification processes for AI models. He advocates for the implementation of practical, actionable safety tests that could be administered by governmental and international committees before new models are released. He emphasized that these tests should involve both AI companies and third-party oversight to ensure models are properly restricted.
Impact on Mathematics
Tsimerman acknowledged that his identity remains tied to mathematics, a field where he made significant contributions to algebraic geometry and the Hodge conjecture. However, he noted that AI is rapidly resolving long-standing mathematical problems, which he believes is shrinking the opportunities for mathematicians to make traditional breakthroughs. While he remains cautiously optimistic, he noted that the field of mathematics is undergoing significant change.
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This article was independently rewritten by ManyPress editorial AI from reporting originally published by New Scientist.
