Dr Nadia Belmatoug is specialised in rheumatology and internal medicine at the Assistance Publique Hôpitaux de Paris. She is the coordinator of the French Reference Center for Lysosomal Diseases. She has been concerned with Gaucher disease since 1991 (200 patients). She is the scientific director of The French Gaucher Registry (600 patients) the one of the largest in Europe certified by INSERM. Her hospital belongs to the Metab-ERN (European) network. She is devoted to the evaluation of clinical characteristics, biomarkers and pathophysiology in patients with Gaucher disease and has developed close connections with the French association of patients with lysosomal disorders (VML: Vaincre les Maladies Lysosomales) to improve the care of patients. She organized multidisciplinary meetings on Gaucher disease. She serves as the president of the Committee for the Evaluation of the Treatment of Lysosomal Storage diseases (CETL) for the social security. She participates to the construction of the three French Rares Diseases Plan for the French health ministry. She is a member of the International Collaborative Gaucher Group (ICGG), and the Gaucher Outcome Survey (GOS). Knight of the Legion of Honour, Decree of 31 December 2009, Awarded by the Minister, Ms Roselyne Bachelot on 09 September 2010.