2013-Present: Director, Unmanned Systems Consortium, University of Kentucky
2010-Present: Director NASA Kentucky Space Grant Consortium and NASA EPSCoR Program
2008-Present: Professor Department of Mechanical Engineering, University of Kentucky
2004-Present: Donald and Gertrude Lester Professor of Mechanical Engineering, Department of Engineering Mechanics, University of Kentucky
1997-2008: Associate Professor, Department of Engineering Mechanics, University of Kentucky
1996-1997: Associate Professor, Department of Engineering Mechanics, University of Kentucky
1990-1996: Assistant Professor, Department of Engineering Mechanics, University of Kentucky
1988-1990: Visiting Assistant Professor, Department of Engineering Science and Mechanics, VPI&SU
1985-1986: Graduate Teaching Assistant, Department of Engineering Science and Mechanics, VPI&SU
1984: Lead Engineer, Harris Corporation, Government Aerospace Systems Division, Melbourne, FL
1980-1984: Senior Engineer, Harris Corporation, Government Aerospace Systems Division, Melbourne, FL
1978-1980: Instructor, Department of Mechanical Engineering, Clemson University, Clemson, SC
Summer 1979: Graduate Research Assistant, Department of Mechanical Engineering, Clemson University, Clemson, SC
1977 – 1978: Paper Grader, Department of Mechanical Engineering, Clemson University, Clemson, SC
Summer 1977: Undergraduate Research Assistant, Department of Mechanical Engineering, Clemson University, Clemson, SC
Summer 1978: Junior Engineer, Morgantown Energy Technology Center, US DOE, Morgantown, WV
Summer 1976: Engineering Office Assistant, Alpha Associates, Morgantown, WV
PhD, Engineering Mechanics, Virginia Polytechnic and State University (1988)
MS, Engineering Mechanics, Clemson University (1980)
BS, Mechanical Engineering, Clemson University (1978)