Professor of Rheumatology at the University of Milan, and head of the Division of Rheumatology of the Department of Clinical Sciences and Community Health Italy Dr. Pier Luigi Meroni is full professor of Rheumatology at the University of Milan and head of the Division of Rheumatology of the Department of Clinical Sciences and Community Health. His clinical and scientific works focus on autoimmune/rheumatic diseases, particularly on the pathogenic role of serum autoantibodies. Author of more than 500 scientific publications in Pub Med; of 47 book chapters and seven books. h-index: 70 (Scopus), 121 (TIS,Top_Italian_Scientists_Biomedical_Sciences). Dr Meroni won the 1987 Roussel Prize for the studies on the age-associated immunodeficit, the 2005 EULAR Research Prize for the studies on the etiopathogenesis of APS and the 2014 AESKU Prize for life contribution to autoimmunity. In 2014 he has been nominated Master of the American College of Rheumatology. His editorial activity is characterized by his inclusion in the editorial board of several journals in the field of rheumatology and autoimmunity (Annals Rheumatic Diseases, Clin Exp. Rheumatol, Autoimmunity, Autoimmunity Review, Lupus, J Autoimmunity, Current Rheumatol. Rev. ) He has been Chairman and then Member of the IUIS/WHO/AF/CDC Sub-Committee for the standardization of diagnostic tests for rheumatic diseases; Member of the ACR ANA Task Force, Italian representative for the European autoimmunity standardization initiative forum, President of the Forum Interdisciplinare Ricerca Malattie Autoimmuni. He organized the IVth International Congress on Antiphospholipid Antibodies (1990) and he was co-chairman of the Vth International Congress on Autoimmunity (2006) and of the 12th International Congress on Anti-phospholipid Antibodies (2007). Dr. Meroni has been the scientific organizer of the MENARINI DIAGNOSTICS International Symposia on Autoimmunity (2001-2008).