The board of OpenAI has removed CEO Sam Altman from his position, citing a lack of transparency and communication. Mira Murati, formerly the chief technology officer, has been named as the interim CEO while the company begins a search for a permanent replacement. Altman, a co-founder of OpenAI, was blindsided by the firing and expressed surprise on social media. Altman’s career, including his involvement with Loopt, Reddit, and Tools For Humanity, is detailed. Microsoft, which has a significant investment in OpenAI, expressed commitment to the partnership.