1. Director of Gait Analysis Laboratory, Shriner's Hospital for Crippled Children, San Francisco, California, Associate Clinical Professor, Department of Orthopaedic Surgery, University of California School of Medicine.
2. Assistant Clinical Professor, Department of Surgery, University of Texas Medical School; Chief of Foot Service, University of Texas Medical School, Houston, Texas.
3. Clinical Associate Professor, St. Anthony Orthopaedic Clinic, St. Paul, Minnesota.