NYT | Technology Follow Another OpenAI Executive, Denise Dresser, Departs the A.I. Start-Up Denise Dresser, who was previously the C.E.O. of Slack, is the latest in a string of executives to leave the artificial intelligence start-up. https://www.nytimes.com/2026/08/13/technology/openai-executive-departure-denise-dresser.html nytimes.com