Dr. Arturo Bonometti is an Italian pathologist especially interested in histiocytic and myeloid neoplasms. He is Assistant Professor of Pathology at Humanitas University, Milan, Italy, and hematopathologist, soft tissue pathologist and molecular pathologist at the IRCCS Humanitas Clinical and Research Hospital. He received his MD in Medicine and Surgery from the Faculty of Medicine and Surgery of the University of Milan, and has been resident in Pathology at the Unit of Anatomic Pathology of the University of Pavia. His research interests mainly include the classification, clinical and histopathological characterization of histiocytic disorders, the immune microenvironment of hematological neoplasms, and the characterization of rare hematological neoplasms, including those involving the skin. He is a member of the European Bone Marrow Working Group (EBMWG), and the European society of hematopathology (EAH4P), and he is also a member and volunteer of the Italian Association for the Research on Histiocytosis (Associazione Italiana Ricerca Istiocitosi, AIRI, ONLUS).