Dr. Zhi Qiao has been a Research Scientist with IBM Research - China since 2016 working on machine learning and artificial intelligence, especially for cognitive healthcare. Dr. Qiao earned his Ph.D. degree from Institute of Computing Technology of Chinese Academy of Sciences. His research interests include sequence mining, collaborative filtering, and deep learning. Dr. Qiao has authored or coauthored many papers on the related research topics in AAAI, IJCAI, ICDM, WWW, CIKM, ICDE, etc . He also serves as reviewer for several IEEE and ACM transactions.