1968-69 Intern, Boston City Hospital, Boston, MA
1969-71 Fellow, Research Training Unit, Department of Medicine, University of Washington, Seattle, WA
1971-72 Resident, Deptartment of Medicine, University of Washington Affiliated Hospitals, Seattle, WA
1972-74 Assistant in Medicine, Senior Fellow (Resident) Division of Dermatology, Department of Medicine, University of Washington, Seattle, WA
1974-75 Research Fellow in Dermatology, Harvard Medical School, Children's Hospital Medical Center, Boston, MA
1987-88 Visiting Scientist, Biogen Research Corporation, Cambridge, MA
1969 Diplomate, National Board of Medical Examiners
1973 Diplomate, American Board of Internal Medicine
1975 Diplomate, American Board of Dermatology
1969 State of California G17282
1989 State of New York 178182-1