Li Xiangang, a leading Chinese scientist in speech recognition, has joined Alibaba Group Holding to spearhead its artificial intelligence (AI) voice team, boosting the tech giant’s capabilities in the burgeoning field. Sources familiar with the matter said Li, who holds a PhD in Computer and Information Sciences from Peking University, had taken on a role leading speech AI research at the Hangzhou-based e-commerce giant. He fills a position previously held by Yan Zhijie, who left the...