Cory Knill

Cory Knill, PhD, DABR

Clinical Assistant Professor

B2C432 University Hospital

1500 E Medical Center Dr.

Ann Arbor, MI 48109-5010


Administrative Contact


Dr. Knill’s primary research has revolves around the commissioning and quality assurance of linac-base radiotherapy, with a particular emphasis on stereotactic radiosurgery (SRS). His research publications cover a wide range of topics, including linear accelerator calibration, safety, radiation device calibration, mathematical modeling, and Monte Carlo simulations. His diverse publications are a result of his passion for engaging in enriching discussions with diverse groups of individuals. Dr. Knill is committed to connecting with other radiotherapy professionals to facilitate education, improve existing treatments, and generate innovative research ideas with the goal of enhancing cancer care both domestically and globally.

Areas of Interest

  • Implementation and quality assurance of linac-based SRS and SBRT.
  • Monte Carlo simulations and mathematical modeling.
  • Online adaptive radiotherapy driven by imaging.

Honors & Awards

  • Wayne State University Graduate Professional Scholarship Recipient, 2016
  • Wayne State University Graduate Professional Scholarship Recipient, 2015
  • Winner GLC-AAPM Young Investigator Symposium, 2011


  • Certification: American Board of Radiology for Therapeutic Medical Physics, 2014
  • PhD: Medical Physics, Wayne State University, 2021


  • Investigating the effects of cranial distortion correction, Brainlab, Role: Co-Principal Investigator.
  • Commissioning spine SRS & cranial VMAT 3.0, Brainlab, Role: Principal Investigator.
  • Investigation of OCTAVIUS 1000 SRS Ion Recombination Effects, PTW, Inc., Role: Principial Investigator.

Published Articles or Reviews

Selected from 14 Publications

  1. Knill, C., Sandhu, R., Loughery, B., Lin, L., Halford, R., Drake, D., Snyder, M., “Commissioning and Validation of a Monte Carlo Algorithm for Spine Stereotactic Radiosurgery,” Journal of Applied Clinical Medical Physics, 2023. PMID: 37431696.
  2. Knill, C., Sandhu, R., Halford, R., Snyder, M., Seymour, Z., “Commissioning cranial single-isocenter multi-target radiosurgery for the Versa HD,” Journal of Applied Clinical Medical Physics, 22 (4): 108-114, 2021. PMID: 33756044.
  3. Loughery, B., Knill, C., Silverstein, E., Zakjevskii, V., Masi, K., Covington, E., & Snyder, M. ,” Multi-institutional evaluation of end-to-end protocol for IMRT/VMAT treatment chains utilizing conventional linacs,” Medical Dosimetry, 44 (1): 61-66, 2019. PMID: 29571934.
  4. Knill, C., Snyder, M., Rakowski, J. T., Zhuang, L., Matuszak, M., & Burmeister, J., “Investigating ion recombination effects in a liquid‐filled ionization chamber array used for IMRT QA measurements,” Medical physics 43(5): 2476-2484, 2016. PMID: 27147358.
  5. Barrett, J. C., & Knill, C., “Monte Carlo calculated correction factors for the PTW microDiamond detector in the Gamma Knife‐Model C.” Medical physics 43 (3): 1035-1044, 2016. PMID: 26936691.
  6. Knill, C., & Snyder, M., “An analysis of confidence limit calculations used in AAPM Task Group No. 119,” Med. Phys. (38): 1779-1784, 2011. PMID: 21626912.