Ph.D., Major: Mining Engineering, Minor: Electrical Engineering, The Pennsylvania State University, May 1984
M.S., Mining Engineering, University of Pittsburgh, August 1978
B.S., Electrical Engineering, The Pennsylvania State University, May 1975
University of Kentucky Professor and Holder of the Alliance Coal Academic Chair, Mining Engineering, Nov 2010 – 2020
National Institute for Occupational Safety and Health Division Director, Mining Science and Technology; Office of Mine Safety and Health Research, Mar 2008 – Nov 2010
Virginia Polytechnic Institute and State University (Virginia Tech) C.T. Holland Professor and Department Head, Mining and Minerals Engineering, Nov 2004 – Mar 2008
Virginia Polytechnic Institute and State University (Virginia Tech) Professor and Dept. Head, Mining and Minerals Engineering, Aug 2001 – Nov 2004
The University of Alabama Professor, Holder of the G.N. Drummond Chair, and Department Head of Civil and Environmental Engineering, Jan 2000 – Aug 2001
The University of Alabama Professor and Holder of the G.N. Drummond Chair of Civil Engineering, Aug 1999 – Jan 2000
The University of Alabama Interim Department Head, Aerospace Engineering and Mechanics, Aug 1998 – Aug 1999
The University of Alabama Professor, Electrical Engineering, Aug 1996 – Aug 1998
The University of Alabama Associate Professor, Mineral Engineering, Aug 1988 – Aug 1996
The University of Alabama Assistant Professor, Mineral Engineering, July 1983 – Aug 1988
The Pennsylvania State University Instructor and Mining Center Coordinator, Aug 1981 – Jul 1983
The Pennsylvania State University Instructor of Mining Engineering, Aug 1978 – Aug 1981
U.S. Bureau of Mines, Pittsburgh Research Center Electrical Engineer, Jun 1976 – Aug 1978
Republic Steel Corporation, Northern Coal Mines Division Assistant Division Maintenance Engineer, May 1975 – Jun 1976
