Dr Pfister is an internationally recognized expert in the management of head and neck tumors. He is chief of the Head and Neck Medical Oncology Service and co-chair of the Head and Neck Cancer Disease Management Team at Memorial Sloan-Kettering Cancer Center; he holds the rank of professor of medicine at Weill Medical College of Cornell University. His research interests include the development and evaluation of combined modality, & organ preservation therapies; prognostic risk stratification; drug development; and outcome/quality of care assessment. He is co-chair of the Recurrent/Metastatic Disease Task Force for the Head and Neck Cancer Steering Committee at the National Cancer Institute (NCI). Dr Pfister has also figured prominently in the development and assessment of clinical practice guidelines as a way to improve the quality of care within oncology, currently holding leadership positions both within the National Comprehensive Cancer Network (NCCN), where he serves on the Board of Directors, and the American Society of Clinical Oncology (ASCO). He is the current co-chair of ASCO's Larynx Preservation Guideline Panel, and former co-chair of the Society's Unresectable Lung Cancer Guideline Panel. He is a former chair of ASCO's Health Services Research Committee, as well as of the Program Committee's Head and Neck Cancer subcommittee. Dr Pfister serves on the editorial boards of the Journal of Clinical Oncology, Clinical Cancer Research, and Critical Reviews in Oncology/Hematology.