Former Douyin product leader Wang Jingjin (also known as Seven) has joined AI startup DeepLang AI. The startup, founded in March 2022 by Tsinghua University alumni, specializes in natural language processing. Wang was previously a product manager at Tencent News, later heading up local life services at Douyin. A source from DeepLang AI told Chinese tech outlet 36Kr that, “Wang’s expertise in product development will play a crucial role in shaping our future direction.” [36Kr, in Chinese]