Nels Knutson, PhD

Assistant Professor of Radiation Oncology

Additional Titles

  • Director of Clinical Operations, Physics Division
  • Chief of GammaKnife Medical Physics Services
  • Chief of SBRT Medical Physics Services


  • BA, Physics: University of Montana, Missoula, MT (2007)
  • BA, Mathematics: University of Montana, Missoula, MT (2009)
  • MS, Medical Physics & Health Physics: Louisiana State University, Baton Rouge, LA (2012)
  • Residency, Medical Physics: Washington University School of Medicine, St. Louis, MO (2014)
  • PhD, Medical Physics: Department of Biomedical Engineering, University of Massachusetts Lowell, MA (2018)

Board Certifications

  • Certified by the American Board of Radiology in Therapeutic Radiological Physics (2015)


Nels Knutson, PhD, is an instructor in radiation oncology and joined the faculty in 2016. He earned a MS in medical physics and health physics in 2012 from the department of physics at Louisiana State University and his PhD in medical physics from the department of biomedical engineering at the University of Massachusetts-Lowell in 2018. Dr. Knutson’s research interests include automated linac commissioning and proton therapy. He is certified in therapeutic radiological physics by the American Board of Radiology.


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