Karan Singhal leads Health AI at OpenAI, where his team works to make high-quality medical expertise more accessible through safer, more capable AI systems. His team’s recent work includes evaluations and products designed around the needs of patients and clinicians, including ChatGPT for Clinicians, ChatGPT Health, and HealthBench Professional. Before OpenAI, he helped develop Med-PaLM and Med-PaLM 2 at Google, among the first medical AI systems to demonstrate expert-level performance on medical question answering.