ByteDance. the owner of controversial yet famous app TikTok, said that its head of AI lab Ma Wei-Ying will leave the organisation within a weeks time. Ying, trained in Taiwan and USA, joined the Beijing based company from Microsoft to become a VP and head of the AI lab in 2017. He is said to be joining China’s Tsinghua University. This has come at a time when TikTok faces regulatory challenges across the globe, including ban In India.