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. He joined Wolfram Research in 2001, and AT&T Labs in 2007. In 2014, he joined Yahoo Research. His research interests include data mining, data visualization, recommender systems, and numerical and combinatorical algorithms.