I am an Applied Research Scientist at Meta AI collaborating with multiple research and product teams, where I focus on advanced machine learning technology for recommendation systems, especially those based on graph data. Prior to that, I was a chief architect of AI platforms at Futurewei Technologies, and a technical lead at IBM Research on reasoning framework and graph systems (System G). I am an Associate Editor for IEEE trans. on Knowledge and Data Engineering (TKDE) and IEEE trans. on Big Data (TBD), and served as a general co-chair of IEEE HiPC’19, a vice co-chair of IEEE BigData’19, a SPC/PC of IJCAI’21, CIKM’21, KDD’21, AAAI’21, etc.