2017-present Assistant Professor, Department of Pharmacology and Chemical Biology, Baylor College of Medicine, Houston, USA, with Dr. Timothy Palzkill 2015-2017 Instructor, Department of Pharmacology, Baylor College of Medicine, Houston, USA, Dr. Timothy Palzkill 2013-2015 Postdoctoral Fellow, Department of Pharmacology, Baylor College of Medicine, Houston, USA, Dr. Timothy Palzkill 2009-2013 Postdoctoral Fellow, Department of Pharmacology, University of Iowa, Iowa City, USA, Dr. Songhai Chen 2004-2009 Predoctoral Researcher, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China, Drs. Liandong Huan and Jin Zhong 2001-2004 Master Student, Beijing Institute of Radiation Medicine, Beijing, China, Dr. Pingkun Zhou