Diplomat of the American Board of Radiology (Radiation Oncology).
Radiation Oncology 1973 to 1976 Roswell Park Memorial Institute, Buffalo, New York.
Radiation Oncology 1976 to 1977 Hospital of University of Pennsylvania, Philadelphia, PA
American College of Radiology American Society of Therapeutic Radiology and Oncology.
Consultant Oncologist Assistant Professor 1977 to 1982. University of Pittsburgh, Pittsburgh, PA.
Consultant Oncologist, Vassar Brothers Hospital, Poughkeepsie, N.Y. 1982 to 1992.
Consultant Radiation Oncologist and Head of Department Shifa International Hospitals, Islamabad. 1993 till present