Dr. O’Malley currently serves as a Hematopathologist at NeoGenomics and as an Adjunct Associated Professor at MD Anderson Cancer Center, University of Texas. Dr. O’Malley completed two Hematopathology fellowships, one at Duke University and the second at Carolinas Medical Center. Dr. O’Malley has authored numerous articles, books and book chapters. He is the author of Atlas of Splenic Pathology, as well as a co-author of the AFIP Fascicle of Neoplastic Disorders of Lymph Node and Spleen, and was the first author on the AFIP Fascicle on Non-Neoplastic Disorders of Lymph Node and Spleen. Recent publications include chapters in Dabbs’ Diagnostic Immunohistochemistry and Hsi’s Hematopathology. Dr. O’Malley teaches at a broad range of venues. In addition to teaching at medical schools, residencies (such as MD Anderson, UCLA and USC) and state pathology societies, he also teaches courses for USCAP. He has served on several national committees including the CAP Immunohistochemistry Committee, and Cancer Biomarker Reporting Panel on both Myeloid disease and Lymphoma. Dr. O’Malley’s areas of diagnostic expertise include adult and pediatric bone marrow diseases, lymphomas, cutaneous hematologic disorders, splenic pathology, immunohistochemistry, flow cytometry and molecular diagnostics. Dr. O’Malley is the chairman of the American Registry of Pathology, best known for producing the AFIP Fascicles, among other educational projects.