2007-Present: Executive Director; Pennsylvania Human Implant Performance Laboratory, Philadelphia, PA
1997–Present: Associate Professor of Orthopaedic Surgery, School of Medicine, University of Kentucky
1997-Present: Associate Professor of Biomedical Engineering, Center for Biomedical Engineering, University of Kentucky
2000-2010: Research Staff Member, Shriners Hospital for Children, Lexington, KY
1996-1997: Research Committee Member, Kentucky Spine Institute, Lexington, KY
1991-2000: Director, Orthopaedic Biomechanics Laboratory, University of Kentucky
1991-1997: Assistant Professor of Orthopaedic Surgery, School of Medicine, University of Kentucky
1991-1997: Assistant Professor of Biomedical Engineering, Center for Biomedical Engineering, University of Kentucky
1987-1991: Adjunct Assistant Professor of Orthopaedic Surgery Research, School of Medicine, University of Pennsylvania, Philadelphia, PA
1989: Vice-President of Research, IatroMed Inc., Phoenix, AZ
1987-1989: Vice-President of Clinical Research, LTI Biomedical Inc., San Diego, CA
1984-1987: Visiting Scholar, Department of Orthopaedic Surgery, School of Medicine, University of Pennsylvania, Philadelphia, PA
1982-1987: Director of Research and Development: Orthopaedic Products, La Jolla Technology Inc., San Diego, CA
MBA, Management, University of Pennsylvania, PA 1987
PhD, Materials Science and Engineering, University of Pennsylvania, Philadelphia, PA 1982
MSE, Bioengineering, University of Pennsylvania, Philadelphia, PA 1978
BS, Physics, Villanova University, Villanova, PA 1976
Mechanical Properties of Osteoporotic Bone