The Department of Radiation Oncology includes world-class experts in brachytherapy and external-beam radiation.

Radiation Oncology

Simon N. Powell, MD, PhD, FRCP -- Chair, Department of Radiation Oncology; Enid A. Haupt Chair in Radiation Oncology
Chair, Department of Radiation Oncology; Enid A. Haupt Chair in Radiation Oncology
Memorial Sloan Kettering radiation oncologist Christopher Crane
Vice Chair, Department of Radiation Oncology
Timothy A. Chan, MD, PhD
Vice Chair, Department of Radiation Oncology; Director, Translational Oncology Division; Member, Human Oncology & Pathogenesis Program; Director, Immunogenomics and Precision Oncology Platform; PaineWebber Chair in Cancer Genetics
Nancy Y. Lee, MD
Vice Chair, Department of Radiation Oncology, Experimental Therapeutics
Michael J. Zelefsky, MD -- Vice Chair for Clinical Research, Department of Radiation Oncology; Chief, Brachytherapy Service
Vice Chair, Department of Radiation Oncology, Clinical Research; Chief, Brachytherapy Service
Richard M. Gewanter, MD -- Chief, Commack/Rockville Center Radiation Oncology
Chief, Long Island Radiation Oncology
Beryl McCormick
Chief, External Beam Radiotherapy Service, Manhattan
Pictured: Boris Mychalczak
Chief, Radiation Oncology, Memorial Sloan Kettering Westchester
Karen D. Schupak, MD -- Chief, External Beam Radiotherapy Service, Regional Care Network; Chief, Basking Ridge Radiation Oncology
Chief, External Beam Radiotherapy Service, Regional Care Network; Chief, Basking Ridge Radiation Oncology
Pictured: Oren Cahlon
Vice Chair, Department of Radiation Oncology; Director, Proton Therapy
David H. Abramson, MD -- Chief, Ophthalmic Oncology Service, Department of Surgery
Chief, Ophthalmic Oncology Service, Department of Surgery

External Beam Radiotherapy Service, Manhattan

Beryl McCormick
Chief, External Beam Radiotherapy Service, Manhattan
Pictured: Oren Cahlon
Vice Chair, Department of Radiation Oncology; Director, Proton Therapy
Timothy A. Chan, MD, PhD
Vice Chair, Department of Radiation Oncology; Director, Translational Oncology Division; Member, Human Oncology & Pathogenesis Program; Director, Immunogenomics and Precision Oncology Platform; PaineWebber Chair in Cancer Genetics
Memorial Sloan Kettering radiation oncologist Christopher Crane
Vice Chair, Department of Radiation Oncology
Memorial Sloan Kettering radiation oncologist Zachary Kohutek
Co-Director, Oligometastatic Disease and Palliative Radiation Program
Nancy Y. Lee, MD
Vice Chair, Department of Radiation Oncology, Experimental Therapeutics
Simon N. Powell, MD, PhD, FRCP -- Chair, Department of Radiation Oncology; Enid A. Haupt Chair in Radiation Oncology
Chair, Department of Radiation Oncology; Enid A. Haupt Chair in Radiation Oncology
Pictured: Nadeem Riaz
Associate Director of Genomics Operations, Immunogenomics and Precision Oncology Platform
MSK radiation oncologist T. Jonathan Yang
Co-Director, Oligometastatic Disease and Palliative Radiation Program
Michael J. Zelefsky, MD -- Vice Chair for Clinical Research, Department of Radiation Oncology; Chief, Brachytherapy Service
Vice Chair, Department of Radiation Oncology, Clinical Research; Chief, Brachytherapy Service

External Beam Radiotherapy Service, Regional Care Network

Karen D. Schupak, MD -- Chief, External Beam Radiotherapy Service, Regional Care Network; Chief, Basking Ridge Radiation Oncology
Chief, External Beam Radiotherapy Service, Regional Care Network; Chief, Basking Ridge Radiation Oncology
Memorial Sloan Kettering radiologist Daphna Gelblum
Director of Regional Radiation Oncology Clinical Research
Richard M. Gewanter, MD -- Chief, Commack/Rockville Center Radiation Oncology
Chief, Long Island Radiation Oncology
Pictured: Boris Mychalczak
Chief, Radiation Oncology, Memorial Sloan Kettering Westchester

Brachytherapy Service

Michael J. Zelefsky, MD -- Vice Chair for Clinical Research, Department of Radiation Oncology; Chief, Brachytherapy Service
Vice Chair, Department of Radiation Oncology, Clinical Research; Chief, Brachytherapy Service
Beryl McCormick
Chief, External Beam Radiotherapy Service, Manhattan
Karen D. Schupak, MD -- Chief, External Beam Radiotherapy Service, Regional Care Network; Chief, Basking Ridge Radiation Oncology
Chief, External Beam Radiotherapy Service, Regional Care Network; Chief, Basking Ridge Radiation Oncology
Pictured: Oren Cahlon
Vice Chair, Department of Radiation Oncology; Director, Proton Therapy
Memorial Sloan Kettering radiation oncologist Christopher Crane
Vice Chair, Department of Radiation Oncology
Nancy Y. Lee, MD
Vice Chair, Department of Radiation Oncology, Experimental Therapeutics
Pictured: Boris Mychalczak
Chief, Radiation Oncology, Memorial Sloan Kettering Westchester
Richard M. Gewanter, MD -- Chief, Commack/Rockville Center Radiation Oncology
Chief, Long Island Radiation Oncology

Proton Therapy

Pictured: Oren Cahlon
Vice Chair, Department of Radiation Oncology; Director, Proton Therapy
Nancy Y. Lee, MD
Vice Chair, Department of Radiation Oncology, Experimental Therapeutics
Beryl McCormick
Chief, External Beam Radiotherapy Service, Manhattan