jiahui yu28openai20meta15researchers4google3$100 million3yixuan song3talent acquisition3gemini multimodal2googledeepmind2ai talent2research2research scientist2university of illinois2artificial intelligence2100 million dollars2mark zuckerberg2shengjia zhao2gemini1multimodal1chatgpt1gpt-41blockbuster move1ai future1ph.d.1