Dr. Gerald Raymond is a neurologist and clinical geneticist at Johns Hopkins in Baltimore where he is also a professor of paediatrics and neurology. He obtained his MD at the University of Connecticut and was trained in paediatrics at Johns Hopkins Hospital and Neurology at the Mass. General Hospital. He subsequently received additional training in clinical genetics at the Harvard Longwood Program. Dr. Raymond previously has been director of Neurogenetic Research at the Kennedy Krieger Institute and division director of paediatric neurology at the University of Minnesota where he closely collaborated with the metabolic bone marrow transplant group. Dr. Raymond’s research has been at the overlap of genetics and neurology with specific focus on peroxisomal disorders including adrenoleukodystrophy.