Dr. Marija Jelusic is Associate Professor of Paediatrics, at the University of Zagreb, School of Medicine, Croatia. Head of the Department of Paediatric Rheumatology, Immunology and Alergology, University Hospital Centre Zagre. She is also the Head of the Referral Centre for Paediatric and Adolescent Rheumatology Republic of Croatia, with a major interest in paediatric vasculitis, systemic lupus erythematosus and personalised immunology.She is the Chair of the Vasculitis Working Group and secretary of the Macrophage Activation Syndrome Working Group of the Paediatric Rheumatology European Society (PRES). Dr. Jelusic is author/co-author of many articles in peer reviewed journals, as well as book. My currently research interest is personalised immunology: genetic and cellular analysis of autoimmune (especially systemic lupus erythematosus, vasculitis, juvenile idiopathic arthritis) and inflammatory disease.