Our Faculty

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

Simon N. Powell, MD, PhD, FRCP -- Chair, Department of Radiation Oncology; Enid A. Haupt Chair in Radiation Oncology

Simon N. Powell

Chair, Department of Radiation Oncology; Enid A. Haupt Chair in Radiation Oncology

Memorial Sloan Kettering radiation oncologist Christopher Crane

Christopher Crane

Vice Chair, Department of Radiation Oncology

MSK radiation oncologist John Cuaron

John J. Cuaron

Chief for External Beam Radiotherapy, Long Island

Radiation oncologist Daniel Shasha

Daniel Shasha

Chief of Radiation Oncology, Norwalk Hospital

Timothy A. Chan, MD, PhD

Timothy A. Chan

PaineWebber Chair in Cancer Genetics; Director, Immunogenomics and Precision Oncology Platform; Member, Human Oncology & Pathogenesis Program; Vice Chair, Department of Radiation Oncology; Director, Translational Oncology Division

Nancy Y. Lee, MD

Nancy Y. Lee

Vice Chair, Department of Radiation Oncology; Service Chief, Head & Neck Radiation Oncology; Director, Proton Therapy

Michael J. Zelefsky, MD -- Vice Chair for Clinical Research, Department of Radiation Oncology; Chief, Brachytherapy Service

Michael J. Zelefsky

Vice Chair, Department of Radiation Oncology, Clinical Research; Chief, Brachytherapy Service

Beryl McCormick

Beryl McCormick

Chief, External Beam Radiotherapy Service, Manhattan

Pictured: Boris Mychalczak

Borys R. Mychalczak

Chief, Radiation Oncology, MSK Westchester & MSK Bergen

Pictured: Oren Cahlon

Oren Cahlon

Associate Deputy Physician-in-Chief, Regional Care Network; Vice Chair, Department of Radiation Oncology

David H. Abramson, MD -- Chief, Ophthalmic Oncology Service, Department of Surgery

David H. Abramson

Chief, Ophthalmic Oncology Service, Department of Surgery

Beryl McCormick

Beryl McCormick

Chief, External Beam Radiotherapy Service, Manhattan

Kaled M. Alektiar, MD, FASTRO

Kaled M. Alektiar

Memorial Sloan Kettering radiation oncologist Samuel Bakhoum

Samuel F. Bakhoum

Memorial Sloan Kettering radiation oncologist Christopher Barker

Christopher A. Barker

Director of Clinical Investigation, Department of Radiation Oncology

Kathryn Beal, MD

Kathryn Beal

Memorial Sloan Kettering radiation oncologist Lior Braunstein

Lior Z. Braunstein

Pictured: Oren Cahlon

Oren Cahlon

Associate Deputy Physician-in-Chief, Regional Care Network; Vice Chair, Department of Radiation Oncology

Timothy A. Chan, MD, PhD

Timothy A. Chan

PaineWebber Chair in Cancer Genetics; Director, Immunogenomics and Precision Oncology Platform; Member, Human Oncology & Pathogenesis Program; Vice Chair, Department of Radiation Oncology; Director, Translational Oncology Division

Memorial Sloan Kettering radiation oncologist Christopher Crane

Christopher Crane

Vice Chair, Department of Radiation Oncology

MSK radiation oncologist John Cuaron

John J. Cuaron

Chief for External Beam Radiotherapy, Long Island

Memorial Sloan Kettering radiation oncologist Erin Gillespie

Erin Gillespie

Memorial Sloan Kettering radiation oncologist Daniel Gorovets

Daniel Gorovets

Memorial Sloan Kettering radiation oncologist Daniel Higginson

Daniel S. Higginson

Marisa A. Kollmeier, MD

Marisa A. Kollmeier

Nancy Y. Lee, MD

Nancy Y. Lee

Vice Chair, Department of Radiation Oncology; Service Chief, Head & Neck Radiation Oncology; Director, Proton Therapy

Memorial Sloan Kettering radiation oncologist Ariel Marciscano

Ariel E. Marciscano

Pictured: Sean McBride

Sean McBride

Simon N. Powell, MD, PhD, FRCP -- Chair, Department of Radiation Oncology; Enid A. Haupt Chair in Radiation Oncology

Simon N. Powell

Chair, Department of Radiation Oncology; Enid A. Haupt Chair in Radiation Oncology

Pictured: Nadeem Riaz

Nadeem Riaz

Associate Director of Genomics Operations, Immunogenomics and Precision Oncology Platform

Andreas Rimner, MD

Andreas Rimner

MSK radiation oncologist Paul Romesser

Paul Romesser

Pictured: Adam Schmitt

Adam Schmitt

Memorial Sloan Kettering radiation oncologist C. Jillian Tsai

C. Jillian Tsai

Director of Head and Neck Radiation Oncology Research

Pictured: Suzanne Wolden

Suzanne L. Wolden

Abraham J. Wu, MD

Abraham J. Wu

Pictured: Joachim Yahalom

Joachim Yahalom

Yoshiya (Josh) Yamada, MD

Yoshiya (Josh) Yamada

Co-Chief, Multi-Disciplinary Spine Tumor Service

MSK radiation oncologist T. Jonathan Yang

T. Jonathan Yang

Director, Oligometastatic Disease and Palliative Radiation Program

Michael J. Zelefsky, MD -- Vice Chair for Clinical Research, Department of Radiation Oncology; Chief, Brachytherapy Service

Michael J. Zelefsky

Vice Chair, Department of Radiation Oncology, Clinical Research; Chief, Brachytherapy Service

Michael J. Zelefsky, MD -- Vice Chair for Clinical Research, Department of Radiation Oncology; Chief, Brachytherapy Service

Michael J. Zelefsky

Vice Chair, Department of Radiation Oncology, Clinical Research; Chief, Brachytherapy Service

Beryl McCormick

Beryl McCormick

Chief, External Beam Radiotherapy Service, Manhattan

MSK radiation oncologist Karen Schupak

Karen D. Schupak

Kaled M. Alektiar, MD, FASTRO

Kaled M. Alektiar

Yoshiya (Josh) Yamada, MD

Yoshiya (Josh) Yamada

Co-Chief, Multi-Disciplinary Spine Tumor Service

Melissa Zinovoy, MD

Melissa Zinovoy

Pictured: Oren Cahlon

Oren Cahlon

Associate Deputy Physician-in-Chief, Regional Care Network; Vice Chair, Department of Radiation Oncology

Memorial Sloan Kettering radiation oncologist Christopher Crane

Christopher Crane

Vice Chair, Department of Radiation Oncology

Nancy Y. Lee, MD

Nancy Y. Lee

Vice Chair, Department of Radiation Oncology; Service Chief, Head & Neck Radiation Oncology; Director, Proton Therapy

Pictured: Boris Mychalczak

Borys R. Mychalczak

Chief, Radiation Oncology, MSK Westchester & MSK Bergen

MSK radiation oncologist Paul Romesser

Paul Romesser

Pictured: Suzanne Wolden

Suzanne L. Wolden

Abraham J. Wu, MD

Abraham J. Wu

Marisa A. Kollmeier, MD

Marisa A. Kollmeier

Richard M. Gewanter, MD -- Chief, Commack/Rockville Center Radiation Oncology

Richard M. Gewanter

Kathryn Beal, MD

Kathryn Beal

Memorial Sloan Kettering radiation oncologist Christopher Barker

Christopher A. Barker

Director of Clinical Investigation, Department of Radiation Oncology

Pictured: Oren Cahlon

Oren Cahlon

Associate Deputy Physician-in-Chief, Regional Care Network; Vice Chair, Department of Radiation Oncology

Nancy Y. Lee, MD

Nancy Y. Lee

Vice Chair, Department of Radiation Oncology; Service Chief, Head & Neck Radiation Oncology; Director, Proton Therapy

Memorial Sloan Kettering radiation oncologist Christopher Barker

Christopher A. Barker

Director of Clinical Investigation, Department of Radiation Oncology

Memorial Sloan Kettering radiation oncologist Carla Hajj

Carla Hajj

Memorial Sloan Kettering radiation oncologist C. Jillian Tsai

C. Jillian Tsai

Director of Head and Neck Radiation Oncology Research

Pictured: Suzanne Wolden

Suzanne L. Wolden

Yoshiya (Josh) Yamada, MD

Yoshiya (Josh) Yamada

Co-Chief, Multi-Disciplinary Spine Tumor Service

MSK radiation oncologist T. Jonathan Yang

T. Jonathan Yang

Director, Oligometastatic Disease and Palliative Radiation Program