Ying Xu is a Qian-Ren (type B) Professor in Jilin University (since 2012) and the Director of the Cancer Systems Biology Center China-Japan Union Hospital, Jilin University since 2017. He held a ChangJiang Chair (type B) Professor position in Jilin University between 2008 and 2012. He also holds the "Regents and Georgia Research Alliance Eminent Scholar" Chair of bioinformatics and computational biology and Professor in Biochemistry and Molecular Biology Department since 2003, and was the Founding Director of the Institute of Bioinformatics (2004 – 2011), the University of Georgia (UGA). Before 2003, he was a senior staff scientist and group leader at Oak Ridge National Laboratory (ORNL) (1993 – 2003); and a visiting Assistant Professor at Colorado School of Mines (1991 – 1993).

He received his Ph.D. degree in theoretical computer science (combinatorics) from the University of Colorado at Boulder in 1991 (under Professor Hal Gabow). He started his bioinformatics career in 1993 when he joined Ed Uberbacher's group at ORNL. His current research interests are in cancer systems biology. He has over 300 publications, including five books, and has given over 200 invited/contributed talks at conferences, research organizations and universities. He has taught a number of bioinformatics courses at both the graduate and undergraduate levels, plus a scientific ethics course (2011 - ) at Jilin University. He was the Co-Founder and Co-Chair (2002 – 2012) of the annual "International Bioinformatics Workshop" (IBW) in China, which attracted ~3,000 students/postdocs to attend between 2003 and 2013; and is the Co-Founder and Co-Chair of the annual “International Workshop on Cancer Systems Biology” (ICSB) in China since 2011.