Bachelor in Biology, University of California, Berkeley, 1974; Doctor of Philosophy in Biology, University of California at Los Angeles, 1982.
Research fellow, Illinois State Psychiatric Institute, Chicago, 1983;
associate director Cytogenetics Laboratory, University of Illinois, Chicago, 1986-1988;
assistant professor department pediatrics and genetics, University of Illinois, Chicago, 1986-1988, 89-;
assistant director Human Genetics Laboratory, Northwestern Memorial Hospital, Chicago, since 1988;
director Cytogenetics Laboratory, Mercy Hospital, Chicago, since 1988. Program director Cytogenetics Program, Mercy Hospital, since 1989. Founding fellow American College Medical Genetics.
Board directors Genetics Task Force of Illinois, Inc.
Member American Society Human Genetics, Association Cytogenetics Technologists, Association Chinese Geneticists in American.
Married Yip-Wah Chung, August 20, 1977. Children: Christina K., Connie K.