Bachelor of Science with distinction, Ohio State University, 1972. Doctor of Philosophy, Case Western Reserve University, 1978.
Research fellow, U. Connecticut Health Center, Farmington, 1977-1980; assistant professor, University of Illinois, Chicago, 1980-1987; associate professor, Loyola University, Maywood, Illinois, 1987-1993; senior scientist, Cook County Hospital, Chicago, since 1988; director research laboratory, Cook County Hospital, Chicago, since 1993; associate professor, Rush Medical College, Chicago, since 1994. Member scientific committee Hektoen Foundation for Medical Research, Chicago, since 1990, review committee American Cancer Society, Illinois Division, Chicago, 1989-1996.
Member American Association for the Advancement of Science, American Society for Cell Biology, Society for Leukocyte Biology.
Married Nai Annie Chu, August 4, 1973. Children, Jessica, Katrina.