Yujuan Si has been a professor at the College of Communication Engineering, Jilin University, China, since 2001. She received a master’s degree and a Ph.D. degree from Jilin University of Technology. From 1999 to 2000, she was a visiting scholar at the University of British Columbia. From 2007 to 2008, she was a Senior Research Scholar Sponsored by the State at the School of Electrical and Electronic Engineering, the University of Manchester, UK. Her research interests include applying machine learning, data mining, and pattern recognition technologies to biomedical signal and image processing.