Demis Hassabis is leaving his role as CEO of Google DeepMind to be the unit's Chairman. Chief scientist Jeff Dean and another Google AI executive are leaving to start their own company, which Google will invest in.Why it matters: Google's AI organization is undergoing a profound change as the company struggles to keep pace with OpenAI and Anthropic.The big picture: The moves are the latest in a series of departures and shifts at Google as frontier AI models have been advancing rapidly in recent ...