1. Director of the Department of Thoracic and Cardiovascular Surgery at the St. Barnabas Hospital, New York, New York, Senior Attending, Department of Thoracic Surgery, St. Michael Hospital, Newark, New Jersey, and St. Anthony's Hospital, Flushing, New York
2. Director of Thoracic Surgical Research, St. Barnabas Hospital, New York, New York
3. Resident in Surgery, Fordham Hospital, Bronx, New York