Xu Yan is a Signal Integrity Engineer at Cisco system Inc since 2015. She received Ph.D. degree in circuit and system from Xidian University, China, in 2012. Her primary focus areas are: System Power Integrity, Serdes design/Analysis, modeling of high-speed interconnect, and developing improved SI/PI analysis methodology. Prior to working at Cisco, she worked in Ericsson and Celestica. Xu has published over 10 papers in the area of signal/power integrity.