Mira Murati — Notable For: Former CTO of OpenAI; led development of ChatGPT, DALL-E, and GPT-4; now building a new AI company

NoteThe source confirms all three components of the claim: (1) Murati was CTO of OpenAI from May 2022 to 2024; (2) she led development of ChatGPT and DALL-E (the source states 'leading the company's work to develop image generator DALL-E, video generator Sora, chatbot ChatGPT, and their underlying models'); (3) she is now building a new AI company called Thinking Machines Lab. The claim mentions GPT-4 specifically, while the source mentions 'underlying models' and ChatGPT 4-o but does not explicitly attribute GPT-4 development leadership to Murati. However, this is a minor omission rather than a contradiction—the source confirms the core claim that she led development of major OpenAI products. The source is current (April 2025) and directly addresses all elements of the claim.