Dr. James Moller is Professor, Department of Pediatrics, and Paul F. Dwan Professor in Education in Pediatric Cardiology at the University of Minnesota, where he has also served as Chief of Pediatrics, Chief of Staff and, from 1999-2003,Chairman of the Department of Pediatrics. He has further served as Chief of Pediatrics at Fairview-University Medical Center. Dr. Moller is an extremely well-known name in Pediatric Cardiology and has authored or co-authored over 200 articles in peer-reviewed journals and edited, authored or co-edited 14 books, including Pediatric Cardiology: The Essential Pocket Guide, a Wiley-Blackwell title he co-edits with Dr. Walter Johnson. A Past-President of the American Heart Association, Dr. Moller is the recipient of AHA's Gold Heart Award and a Meritorious Achievement Award from the AHA's Council on Cardiovascular Disease in the Young. He is also the recipient of a Distinguished Service Award from the American Academy of Pediatrics, whose Minnesota Chapter he has chaired. Currently he serves on the Editorial Boards of American Family Physician, Circulation, Focus on Outcomes Analysis, Progress in Pediatric Cardiology, and World Journal of Pediatrics.

Dr. Julien I. E. Hoffman is professor emeritus of pediatrics and a senior member of the Cardiovascular Research Institute at the University of California at San Francisco. At Moffitt and Long Hospitals in San Francisco, he is an attending pediatrician. He also serves on the medical advisory committee for the SIDS Alliance. A member of the advisory committee for the Fetal Surgery Project on Congenital Diaphragmatic Hernia, Dr. Hoffman is also chairman of the Oversight Committee on Fetal Surgery and chairman of the Cardiovascular Research Institute's Animal Research Committee. He serves on the editorial board of Circulation Research and is a reviewer for many journals, including the American Journal of Cardiology, the American Journal of Genetics, the American Review of Respiratory Disease, Circulation, Pediatrics, and the Journal of Pediatrics. Dr. Hoffman has been a visiting professor and an invited lecturer at many prestigious universities throughout North America, South America, Europe, Asia, and Africa.