https://techmonitor.ai/technology/ai-and-automation/openai-microsoft-staff-quit-threat-open-letter > More than 500 staff members at OpenAI have threatened to quit the company and follow departing CEO Sam Altman to Microsoft. In an open letter to the company's board, 505 employees at the ChatGPT developer say they have lost confidence in its directors following Altman's sacking on Friday. > As reported by Tech Monitor, Altman and co-founder Greg Brockman have joined Microsoft, OpenAI's key financial backer, following their departure from the company last week. An undisclosed number of colleagues will be joining them to form the tech giant's new AI research team, CEO Satya Nadella said in a brief statement this morning.