Dr. Liu Qifeng got Ph. D from Chinese Academy of Science with the major of pattern recognition and intelligent system. Then he worked for HK Financial Data Technologies Ltd. (FDT), Yahoo! Lab, Samsung Lab and Powerlayer as chief data scientist/researcher. He published 20+ academic papers on IEEE/ACM and 20+ patents (7 US) over a wide field of artificial intelligence, big data, Fintech, computer vision, search engine/personalized recommendation. His recent techniques of Fintech are adopted by famous banks/securities of HK/mainland serving for fund managers and millions of customers.