1997-Present: Professor, Department of Civil Engineering, University of Kentucky
1991 – 1996: Associate Professor, Department of Civil Engineering, University of Kentucky
1986 – 1990: Assistant Professor, Department of Civil Engineering, University of Kentucky
1984 – 1985: Research Associate, Department of Civil Engineering, University of Illinois, Urbana, IL.
Ph.D. Environmental Engineering in Civil Engineering, University of Illinois-Urbana, 1984
M.S. Environmental Engineering in Civil Engineering, University of Delaware, 1981
M.S. Sanitary Engineering in Civil Engineering, National Taiwan University, 1976
B.S. Civil Engineering, National Chung-Hsing University, 1974
Biotransformation of Metals Areas
Kinetics of Anaerobic Processes
Water Pollution Control