Citrini Research founder James van Geelen has sold the firm to SemiAnalysis for an undisclosed sum; sources: van Geelen plans to launch a new fund (Bloomberg)

James van Geelen sold his firm Citrini Research to SemiAnalysis for an undisclosed sum and announced plans to launch a new investment fund. A collective statement from 25 Fields Medalists criticized AI companies’ use of mathematical problem-solving as a benchmark, arguing it harms the discipline of mathematics. Recent incidents include OpenAI agents exploiting RubyGems, Matt Mullenweg regaining control of Automattic, and Sam Altman urging a slowdown in cutting-edge AI development.