Jason L. Hornick MD, PhD

Dr. Hornick is the Director of Surgical Pathology and Immunohistochemistry at Brigham and Women's Hospital, a Professor of Pathology at Harvard Medical School, and a consultant at the Dana-Farber Cancer Institute. He is a senior pathologist with expertise in soft tissue tumor pathology, gastrointestinal pathology, endocrine pathology, and diagnostic immunohistochemistry. Dr. Hornick was a member of the expert editorial board for the 4th (2013) and 5th (2020) editions of the World Health Organization (WHO) Classification of Tumors of Soft Tissue and Bone. He chaired the International Collaboration on Cancer Reporting (ICCR) dataset for gastrointestinal stromal tumors (GIST).

Dr. Hornick was a member of the Soft Tissue Sarcoma Expert Panel for the American Joint Committee on Cancer (AJCC) and the Sarcoma Analysis Working Group for The Cancer Genome Atlas (TCGA). He previously chaired the United States and Canadian Academy of Pathology (USCAP) Education Committee and the College of American Pathologists (CAP) Immunohistochemistry Committee and is currently on the USCAP Board of Directors. Dr. Hornick serves on the Anatomic Pathology Test Development and Advisory Committee for the American Board of Pathology and the Council of the Arthur Purdy Stout Society of Surgical Pathologists. He is the Editor of the 5th series of the AFIP Atlases of Tumor and Non-tumor Pathology and Editor of the textbook Practical Soft Tissue Pathology: A Diagnostic Approach, which is in its 2nd edition.

Dr. Hornick serves on 14 editorial boards, including the American Journal of Surgical Pathology and Modern Pathology. He is an Associate Editor for Sternberg’s Diagnostic Surgical Pathology, a Regional Editor for Histopathology, an Associate Editor for Advances in Anatomic Pathology and Virchows Archives, and the Consulting Editor for Surgical Pathology Clinics. Dr. Hornick is dedicated to the advancement of diagnostic surgical pathology through improving tumor classification, defining histologic parameters that predict outcomes, translating discoveries in basic biomedical research to clinical practice, and teaching approaches to diagnostic pathology to trainees and practitioners.