![Thomas Bortfgld](http://harvardmedphys.org/tempsite/wp-content/uploads/2016/07/bortfeld.jpg) | Thomas R. Bortfeld Ph.D.
Co-Chair and Chief, Division of Medical Physics
Professor of Radiation Oncology
Department of Radiation Oncology
Massachusetts General Hospital
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![brianwiney](https://harvardmedphys.org/wp-content/uploads/2021/09/BW2021-resize.jpg) | Brian Winey, Ph.D
Co-Chair and Program Director
Associate Professor in Radiation Oncology
Department of Radiation Oncology
Massachusetts General Hospital |
![makrigiorgos-mike-phd](http://harvardmedphys.org/tempsite/wp-content/uploads/2016/09/Makrigiorgos-Mike-PhD.jpg) | Mike Makrigiorgos Ph.D.
Chief of Medical Physics and Biophysics
Professor of Radiation Oncology
Department of Radiation Oncology
Dana-Farber Cancer Institute
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![Paul Busse](https://harvardmedphys.org/wp-content/uploads/2022/09/PMB.jpg) | Paul Busse M.D. Ph.D.
Associate Professor of Radiation Oncology
Department of Radiation Oncology
Massachusetts General Hospital
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![Robert Cormack](http://harvardmedphys.org/wp-content/uploads/2018/10/cormack-new.png) | Robert Cormack, Ph.D.
Associate Professor of Radiation Oncology
Department of Radiation Oncology
Brigham and Women’s Hospital
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![Mai Anh Huynh](http://harvardmedphys.org/wp-content/uploads/2018/10/Mai-Anh-Huynh.jpg) | Mai Anh Huynh M.D., Ph.D.
Assistant Professor of Radiation Oncology
Department of Radiation Oncology
Brigham and Women’s Hospital
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![kiger](http://harvardmedphys.org/tempsite/wp-content/uploads/2016/09/kiger.jpg) | William S. Kiger III Ph.D.
Associate Program Director
Instructor in Radiation Oncology
Department of Radiation Oncology
Beth Israel Deaconess Medical Center |
![lyatskaya-yulia_2](http://harvardmedphys.org/tempsite/wp-content/uploads/2016/09/Lyatskaya-Yulia_2.jpg) | Yulia Lyatskaya, Ph.D.
Associate Program Director
Assistant Professor of Radiation Oncology
Department of Radiation Oncology
Brigham and Women’s Hospital |
![paganetti](http://harvardmedphys.org/tempsite/wp-content/uploads/2016/09/paganetti.jpg) | Harald Paganetti Ph.D.
Director of Physics Research
Professor of Radiation Oncology
Department of Radiation Oncology
Massachusetts General Hospital
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![sohn](https://harvardmedphys.org/wp-content/uploads/2023/10/JasonWSohn-cropped.jpg) | Jason W. Sohn Ph.D.
Director of Physics and Faculty
Department of Radiation Oncology
Beth Israel Deaconess Medical Center |