Dr. Liu graduated with a B.S. degree from Wuhan University, China in 1992. He received his Ph.D. training with Dr. Stephen Elledge at Baylor College of Medicine at Houston, Texas, USA from 1994-2000. After a brief post-doctoral training with Dr. Xiaodong Wang, he became an Assistant Professor in 2004 and tenured Associated Professor in 2010 at Department of Biochemistry at University of Texas Southwestern Medical Center at Dallas, Texas, USA. In 2013, Dr. Liu became a joint Professor at the World Premium Center (WPI)-International Institute for Integrative Sleep Medicine (IIIS), University of Tsukuba, Tsukuba, Japan. In 2018, he became an Investigator with the National Institute of Biological Sciences, Beijing (NIBS), China.