Meet the radiation oncology faculty shaping tomorrow’s leaders
Our faculty are nationally recognized experts in radiation oncology, dedicated to mentoring the next generation of clinicians and researchers. With a commitment to evidence-based care, innovation and education, they create a supportive training environment where residents can thrive. Through hands-on teaching and active research, our team ensures residents gain the skills and insight needed to lead in a fast-evolving field.
Program leadership
Matthew Katz, MD
Title: Interim Chairman and Residency Program Director, Tufts Medical Center
Academic Appointment: Associate Professor, Tufts University School of Medicine
Specialties: Head and neck cancer, thoracic malignancies, breast, rectal, anal, prostate, bladder cancer
Medical School: University of Massachusetts
Residency: Memorial Sloan-Kettering Cancer Center
Board Certification: Radiation Oncology
Contact: Matthew.Katz@tuftsmedicine.org
Kathryn Huber, MD, PhD
Title: Associate Residency Program Director, Beth Israel Medical Center
Academic Appointment: Assistant Professor, Harvard Medical School (Pending)
Specialties: Head and neck, cutaneous, gastrointestinal, breast, thoracic malignancies
Medical School: Tufts University School of Medicine
Residency: Tufts Medical Center
Board Certification: Radiation Oncology
Contact: khuber2@bidmc.harvard.edu
Gavin Jones, MD
Title: Associate Residency Program Director, UMass Medical Center
Academic Appointment: Assistant Professor, UMass
Medical School: University of Virginia
Residency: Tufts Medical Center
Board Certification: Radiation Oncology
Contact: Gavin.Jones@umassmemorial.org
Cassandra Stambaugh, PhD, DABR
Title: Medical Physicist, Resident Advocate, Physics Course Director
Academic Appointment: Associate Professor, Tufts University School of Medicine
Specialties: Medical physics, patient safety, Gamma Knife
Graduate Training: Bates College, Northeastern University, University of South Florida
Residency: Mayo Clinic
Board Certification: Therapeutic Radiologic Physics
Contact: Cassandra.Stambaugh@tuftsmedicine.org
Tufts Medical Center faculty
Mark Bonnen, MD
Title: Radiation Oncologist, Cancer Service Line Executive
Academic Appointment: Visiting Professor, Tufts University School of Medicine
Specialties: Breast cancer, gynecologic cancer, head and neck cancer, brachytherapy
Medical School: UT Health Science Center
Residency: MD Anderson Cancer Center
Board Certification: Radiation Oncology
Brett Diamond, MD
Title: Radiation Oncologist
Academic Appointment: Assistant Professor, Tufts University School of Medicine
Specialties: Gynecologic, genitourinary, head and neck, breast cancers
Medical School: University of Connecticut
Board Eligible: Radiation Oncology
John E. Mignano, MD, PhD
Title: Radiation Oncologist, Associate Clinic Director
Academic Appointment: Associate Professor, Tufts University School of Medicine
Specialties: General radiotherapy, Gamma Knife, pediatric radiation oncology
Medical School: University of Pittsburgh
Residency: Johns Hopkins Hospital
Fellowship: Tufts Medical Center
Board Certification: Radiation Oncology
Christopher S. Melhus, PhD, DABR
Title: Chief, Radiation Oncology Medical Physics
Academic Appointment: Associate Professor, Tufts University School of Medicine
Specialties: Therapeutic radiologic physics, quality assurance
Education: Reed College, MIT, Harvard-MIT HST Program
Board Certification: Therapeutic Radiologic Physics
Elizabeth (Libby) Meyer, MS, DABR
Title: Medical Physicist
Academic Appointment: Instructor, Tufts University School of Medicine
Specialties: Dosimetry
Education: Smith College, Columbia University
Board Certification: Therapeutic Medical Physics
Beth Israel Deaconess Medical Center faculty
Mary Ann Stevenson, MD, PhD
Title: Chair and Chief, Radiation Oncology
Academic Appointment: Associate Professor, Harvard Medical School
Medical School: Stanford University
Board Certification: Radiation Oncology
Joseph A. Aronovitz, MD, PhD
Title: Radiation Oncologist
Academic Appointment: Instructor, Harvard Medical School
Medical School: Washington University
Board Certification: Radiation Oncology
Stuart M. Berman, MD
Title: Radiation Oncologist
Academic Appointment: Instructor, Harvard Medical School
Medical School: University of Virginia
Board Certification: Radiation Oncology
Lauren M. Hertan, MD
Title: Radiation Oncologist
Academic Appointment: Instructor, Harvard Medical School
Medical School: University of Pennsylvania
Board Certification: Radiation Oncology
Joanne W. Jang, MD, PhD
Title: Radiation Oncologist
Academic Appointment: Assistant Professor, Harvard Medical School
Medical School: University of Pennsylvania
Board Certification: Radiation Oncology
Irving David Kaplan, MD
Title: Co-Director, Prostate Cancer Program
Medical School: Stanford University
Board Certification: Radiation Oncology
Eric Ko, MD, PhD
Title: Disease Site Leader (GU Oncology)
Academic Appointment: Assistant Professor of Radiation Oncology, Harvard Medical School
Specialties: GU/Prostate
Medical School: SUNY Buffalo
Board Certification: Radiation Oncology
Brigid M. O’Connor, MD, PhD
Title: Radiation Oncologist
Medical School: Boston University
Abram Recht, MD
Title: Professor, Harvard Medical School
Medical School: Johns Hopkins University
Board Certification: Radiation Oncology
Daniel Schmidt, MD, PhD
Title: Radiation Oncologist
Academic Appointment: Instructor, Harvard Medical School
Medical School: University of Texas Southwestern
Board Certification: Radiation Oncology
Beth Israel Deaconess Medical Center medical physicists
Gleb Kuzmin, PhD, DABR
Title: Medical Physicist
Academic Appointment: Lecturer
Specialties: Stereotactic radiosurgery and radiotherapy
Education: University of Texas at Austin, Texas A&M, Cleveland Clinic
Board Certification: Therapeutic Medical Physics
Stefano Peca, PhD
Title: Medical Physicist, Manager of Treatment Planning
Education: Sapienza University of Rome, University of Calgary
Board Certification: Canadian College of Physicists in Medicine
Qian Wang, PhD
Title: Medical Physicist
Academic Appointment: Clinical Faculty
Specialties: External beam radiotherapy, CyberKnife radiosurgery
Education: Hebei Normal University, Capital Normal University, UMass Lowell, University of Pennsylvania, Emory University
Board Eligible
Feng-Ju Yeh, MS, DABR
Title: Medical Physicist
Specialties: HDR, Quality Assurance
Education: National Yang Ming University, Duke University
Board Certification: Therapeutic Radiologic Physics
University of Massachusetts Memorial Medical Center faculty
Thomas J. Fitzgerald, MD
Title: Chair, Department of Radiation Oncology
Academic Appointment: Professor, UMass Medical School
Medical School: University of Massachusetts
Board Certification: Radiation Oncology
Alexander Chi, MD
Academic Appointment: Professor, UMass Medical School
Medical School: Virginia Commonwealth University
Board Certification: Radiation Oncology
David Harris, MD
Academic Appointment: Assistant Professor, UMass Medical School
Medical School: University of Alabama Birmingham
Board Certification: Radiation Oncology
Jessica Yancey, MD
Academic Appointment: Assistant Professor, Radiation Oncology, University of Massachusetts Medical School
Medical School: University of Massachusetts
Postgraduate Training: Tufts Medical Center
Board Certification: Radiation Oncology
Sheida Mani, MD
Academic Appointment: Assistant Professor, Radiation Oncology, University of Massachusetts Medical School
Medical School: Johannes-Gutenberg Universitat Mainz
Postgraduate Training: NYU Langone Medical Center
Board Certification: Radiation Oncology
Allison Sacher, MD
Academic Appointment: Assistant Professor, Radiation Oncology, University of Massachusetts Medical School
Medical School: Mount Sinai School of Medicine
Postgraduate Training: Mount Sinai Medical Center
Board Certification: Radiation Oncology
