Nizar Mahlaoui

Dr Nizar Mahlaoui M.D., M.Sc., M.P.H.

Dr. Nizar Mahlaoui is a pediatrician specialized in immuno-hematology in Necker-Enfants Malades University Hospital in Paris, France. He manages the French National Reference Center for Primary Immune Deficiencies (CEREDIH, chaired by Prof. Alain Fischer).

He serves as a member of the scientific advisory board of the French national PID patients association IRIS (

He is a member of the European Society for Immunodeficiencies (ESID) since 2008 and has served on the ESID Board as the Registry Working Party Chair Elect (2014-2018). He also serves on the International Patient Organisation for Primmary Immunodeficiencies (IPOPI) Board as Chair of the Medical Advisory Panel (Vice Chair: 2013-2017, Chair: 2017—,

He is the founder and manager of the Transition program for teenagers and young adults with rare chronic diseases in Necker, including the “La Suite-Necker” ward and mobile app (