Yao Si Wei (English name: Annabel), born in Kunming, is a Chinese-American singer who debuted on January 14 2021 under TH Entertainment and made her debut single “Back Fire” in the same month. Annabel graduated from Harvard with a Bachelor of Arts in Computer Science and is the second and youngest daughter of the main founder and President of Huawei Ren Zhengfei. She is fluent in Mandarin, English, and Japanese.