Huifeng currently works as a senior researcher at the Noah’s Ark Lab, Huawei Technologies. His main research interests include Recommendation, Information Retrieval and Advertising, especially developing advanced Deep Learning based models, algorithms and training technologies. The most recent focus is on how to utilize LLM to improve the recommender systems and design hardware-friendly models. He has published tens of papers at the Top-tier Conferences and Journals, such as KDD, SIGIR, IJCAI, AAAI, CIKM, WSDM, TOIS, ACM Survey. A significant proportion of the proposed works have been deployed into the products of Huawei or other companys.