Investigator, Howard Hughes Medical Institute, Professor of Pediatrics, University of Iowa

Stanford University School of Medicine

CMBI, Radboud University Medical Centre

Professor Emeritus, University of Illinois Urbana-Champaign

Brigham and Women's Hospital, Harvard Medical School

University of Utah Molecular Medicine Program

UT, Austin

Professor, University of Connecticut Health Center

Marjorie & Joseph Heil Professor, Medical College of Wisconsin

Chair, Dept of Biochemistry, University of California, San Francisco