1. Mount Sinai School of Medicine, CUNY, New York, New York
2. Associate Director of Laboratories, Hospital for Joint Diseases-Orthopaedic Institute, New York, New York.
3. Associate Director, Department of Radiology, Hospital for Joint Diseases-Orthopaedic Institute, New York, New York
4. Chief of Foot Service, Hospital for Joint Diseases-Orthopaedic Institute, New York, New York.
5. Director of Radiology, Hospital for Joint Diseases-Orthopaedic Institute, New York, New York.