Yifan Hu received his BSc/MSc in Applied Mathematics from Shanghai Jiao-Tong University, and a Ph.D. in Optimization from Loughborough University. He worked as a senior scientific officer in Daresbury Laboratory between 1992 to 2001, doing research on parallel algorithms. He joined Wolfram Research in 2001, contributed many functions for optimization, sparse linear algebra & visualization. He worked at AT&T Labs between 2007 to 2014, doing research on information visualization and recommender systems. He authored a number of codes for large scale graph visualization (e.g., sfdp) for Graphviz. In 2014, he joined Yahoo Research. His research interests include data mining, machine learning, recommender systems and data visualization. He is a co-author of a number of best papers, including the 2017 IEEE ICDM 10-Year Highest-Impact Paper.