Dr Michel Tchan is a Clinical Geneticist at Westmead Hospital and senior lecturer in Genetic Medicine at the University of Sydney. His main area of clinical and research interest is in adults with rare inborn errors of metabolism, particularly the lysosomal storage disorders, and other Mendelian genetic conditions. He runs the statewide service for adults with genetic metabolic disorders, with clinics held at Westmead Hospital, Prince of Wales Hospital and Hunter Genetics.