Bachelor of Science, University of Illinois, 1969; Doctor of Medicine, University of Illinois College Medicine, 1974; Doctor of Philosophy, University of Illinois, 1974.
Intern, resident in pediatrics Childrens Memorial Hospital, Northwestern University, Chicago, 1974-1976. Fellow Yale University School Medicine, New Haven, 1976-1978. Professor human genetics Medical College Virginia, Richmond, 1978-2001, vice chair for research department pediatrics, 1996-2000.
Director research Connecticut Children's Medical Center, 2001—2005. Associate chairman, director research Department Pediatricians School Medicine University Connecticut, 2001—2001. Chairman Department Medical Genetics Henry Ford Hospital, Detroit, since 2005.
Member American Society Clinical Investigation, American Pediat. Society, Society Pediatric Research, Society for Inherited Metabolic Diseases, American Society Clinical Nutrition, American Institute Nutrition, Society for the Study of Inborn Errors of Metabolism, American Society Human Genetics.
Children: Michael Loren, Bryan Phillip.