Dr. Cook is Section Head of Hematopathology at the Cleveland Clinic, and Professor of Pathology at Cleveland Clinic Lerner College of Medicine at Case Western Reserve University. He is the immediate Past President of the Society for Hematopathology and former Chair of the AMP Hematopathology Subdivision.
His research interests include diagnostic and prognostic markers in non-Hodgkin lymphoma and plasma cell disorders, and molecular diagnosis of leukemia and lymphoma. He participates in numerous multi-institutional research efforts including the Lymphoma and Leukemia Molecular Profiling Project (LLMPP). He is a member of the Steering Committee for the 2022 International Consensus Classification of Hematolymphoid Neoplasms.