Xu Can, a seasoned researcher previously with Tencent Hunyuan, has recently made the move to the WeChat WeLM team, taking the helm in large-scale model development. His prior role saw him leading the post-training efforts at the Hunyuan LLM system. Before his tenure at Tencent, Xu held a position as a senior AI research scientist at Microsoft, contributing significantly to numerous pivotal AI projects. This strategic shift aligns with WeChat's intensified focus on in-house development of large-scale models and Agent functionalities. Xu's expertise is set to significantly enhance the WeChat WeLM team's R&D prowess, particularly in training, inference, and the execution of intricate tasks.