"Bush' infirmaries in Cunama country (Eritrea).

Psychological testing and anthropological study of the Cunama tribe.

Neuropsychiatry at the Itegue' Menen Hospital in Asmara (Eritrea).

Instructor in Human Physiology, Milan University.

Building a dam on the Niger River: (anesthesiologist, internist, pediatrician, surgeon, obstetrician, radiologist).

Field research on treatment of malaria (Nigeria).

Missionary medicine in Kakure (Nigeria).

Private practice in Kano (Nigeria).

Residency in Psychiatry completed in 1976 (New Haven).

Inpatient medical director, YNH/VA Medical Center, New Haven.

Chair of Psychiatry, Waterbury, Connecticut.

Full-time faculty, Jefferson Medical College, Philadelphia.

Full-time private practice, Philadelphia.