Kingsum has been a lead scientist at Alibaba Cloud Intelligence System Software Hardware Co-Optimization driving performance optimization at the scale of data centers since 2016. Since receiving Ph.D. in Computer Science and Engineering from the University of Washington in 1996, he has been working on performance, modeling and analysis of software applications. He has been issued more than 20 patents. He has presented more than 100 technical papers. He appeared four times in JavaOne keynotes. In his spare time, he volunteers to coach multiple robotics teams to bring the joy of learning Science, Technology, Engineering and Mathematics to the K-12 students in USA and China.