Mark Zuckerberg has named Shengjia Zhao, an artificial intelligence researcher who joined Meta Platforms Inc. from OpenAI in June, as the chief scientist for the social media company’s new superintelligence AI group. Zhao was part of the team behind the original version of OpenAI’s popular chatbot, ChatGPT. He will help lead Meta’s high-profile group, which is aiming to build new AI models that can perform tasks as well as or better than humans. Zhao will report to Alexandr Wang, the former chie...