Research Associate Professor, Biomedical Engineering, University of Kentucky, 2010-present
Research Associate Professor, Neurosurgery Department, University of Kentucky, 2010-present
Joint Associate Professor, Department of Surgery, Texas A&M Health Science Center College of Medicine, 2009
Research Associate Professor, Biomedical Engineering, TEES, Texas A&M University, 2007-2012
Adjunct Associate Professor, Physical Therapy Department, University of Southern California, 2006-2007
Research Associate Professor, Biomedical Engineering, Engineering School, University of Southern California, 2003-2007
Associate Professor of Research, Orthopaedic Surgery, School of Medicine, University of Southern California, 2003-2005
Research Assistant Professor, Biomedical Engineering, Engineering School, University of Southern California, 2003
Assistant Professor of Research, Orthopaedic Surgery, School of Medicine, University of Southern California, 1994-2003
B.S.M.E., Mechanical Engineering, Univ. of Minnesota, Institute of Technology, Minneapolis, MN, 1983
S.M.M.E., Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA, 1985
Ph.D., Bioengineering, University of Strathclyde, Glasgow, Scotland, 1995
Biomechanics
Spinal Biomechanics