2023 - present: Director, Institute for Decarbonization and Energy Advancement, Professor, Department of Mechanical Engineering, University of Kentucky
2016 - 2023: Associate Director for Research, Center for Applied Energy Research; Associate Professor, Department of Mechanical Engineering, University of Kentucky
2014 - 2016: Associate Director for Research, Center for Applied Energy Research; Associate Research Professor, Department of Mechanical Engineering, University of Kentucky
2005 - 2014: Program Manager, Associate Director, Associate Director for Research, Center for Applied Energy Research, University of Kentucky
2004 - 2005: Advisory Engineer, Research Center, The Babcock & Wilcox Company, OH
2002 - 2004: Associate Professor, tenure-track, Department of Architecture and Manufacturing Science; Manager of Combustion Laboratory, Western Kentucky University
2001 - 2002: Senior Engineer I, Fossil Program, Power Generation Technologies
1997 - 2001: Research Associate (visiting scholar), Combustion Laboratory Manager, Department of Chemistry, Western Kentucky University
1993 - 1997: Research Engineer, Associate Professor (tenure-track), Thermoenergy Engineering Research Institute, Southeast University
Ph.D. Thermoenergy Engineering, Thermoenergy Engineering Research Institute, Southeast University, Nanjing, PRC, 1993
M.S. Thermoenergy Engineering, Thermoenergy Engineering Research Institute, Southeast University, 1991
B.S. Power Engineering, Department of Power Engineering, Southeast University, 1988