Bachelor of Science, Duke U., 1975; Doctor of Medicine, Georgetown University, 1979.
Intern, Georgetown University Hospital, Washington, 1979-1980; resident, Georgetown University Hospital, Washington, 1980-1982; physician internal medicine, private practice, Arlington, Virginia, since 1984. Chairman of the Board Virginia Integrated Physicians, since 1995.
With United States Public Health Service, 1982-1984. Member American Medical Association, American College of Physicians, American Society Internal Medicine.
Married Donna Mary Valis, June 22, 1980. Children: Elizabeth Hana, Sean Michael Sae-Yoon.