Jerry Tworek, a vice president of research at OpenAI and a key figure in the company’s work on AI reasoning models, is leaving the company after nearly seven years. Tworek announced his departure in a memo to colleagues and a subsequent post on X, saying he plans to pursue research directions that are difficult to explore within OpenAI. His exit follows other senior departures at the company, as OpenAI continues to expand its commercial operations and product roadmap.