1. Chairman, Trauma Committee, American Orthopaedic Foot and Ankle Society; Professor and Chairman, Department of Orthopaedic Surgery, University of South Alabama, Mobile, Alabama 36617.
2. Ford Motor Company, Dearborn, Michigan.
3. Clinical Associate Professor of Orthopaedic Surgery, Adjunct Associate Professor Bioengineering, Medical Director, Bioengineering Center, Wayne State University, Detroit, Michigan.