Personnel: Sam Altman at OpenAI Foundation (CEO & Co-Founder)

Note: The source confirms Sam Altman is CEO of the OpenAI Foundation and that OpenAI was founded in 2015. However, the source does not explicitly confirm that Sam Altman was a Co-Founder of OpenAI or that he became CEO in 2015. The source only identifies him as 'CEO Sam Altman' on the current OpenAI Foundation board as of the October 28, 2025 restructuring announcement. The claim of 'Co-Founder' and the specific start date of 2015 for his role are not addressed in the provided text, making this a partial confirmation rather than a full confirmation.