- Malunions and Non-Unions
- Orthopaedic Trauma Surgery
- Post-Traumatic Deformities
- American Board of Orthopaedic Surgery
- Columbia University, New York, N.Y.
- The Roosevelt Hospital, New York, N.Y. (General Surgery)
- Hospital for Special Surgery, New York, N.Y. (Orthopaedic Surgery)
- UCSF/San Francisco General Hospital, San Francisco, Calif. (Orthopaedic Traumatology)