1. Assistant Professor.
2. Research Specialist.
3. Visiting Scholar/Postdoctoral Research Fellow, Department of Anesthesiology and Critical Care, University of Pennsylvania; Department of Anesthesiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
4. Visiting Scholar/Postdoctoral Research Fellow, Department of Anesthesiology and Critical Care, University of Pennsylvania; Department of Anesthesiology, The Third Clinical Hospital, Hebei Medical University, Shijiazhuang, China.
5. Visiting Scholar/Postdoctoral Research Fellow.
6. Assistant Professor, Department of Cancer Biology and Institute of Environmental Medicine, University of Pennsylvania.
7. Visiting Scholar/Postdoctoral Research Fellow, Department of Anesthesiology and Critical Care, University of Pennsylvania; Department of Anesthesia, Second Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China.
8. Professor, Department of Anesthesiology and Critical Care.