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Sara St. James, Ph.D.

Assistant Professor


Area(s) of Research Focus:

  • Motion management
  • Monte Carlo Simulations
  • Nuclear Medicine

Education and Training


  • Carleton University, Ottawa Ontario Canada 2003
  • McGill University, Montreal, Quebec Canada 2005

Graduate School: University of California Davis, Davis California 2010

Residency: Medical Physics Residency Program, Harvard, Boston Massachusetts 2014

Published Works

Koybasi, P. Mishra, S. St. James, J. H. Lewis and J. Seco “Simulation of dosimetric consequences of 4DCT-based motion margin estimation for proton radiotherapy using patient tumor motion data”, February 2014, Physics in Medicine and Biology 59 853.

S. St. James, J. Seco, P. Mishra and J. H. Lewis “Simulations using patient data to evaluate systematic errors that may occur in 4D treatment planning: A proof of concept study”, August 2013, Medical Physics 40(9).

L. Williams, P. Mishra, S. St. James, R. Mak, R. I Berbeco and J. H. Lewis “A Mass-Conserving 4D XCAT Phantom for Dose Calculation and Accumulation”, July 2013, Medical Physics 40(7).

Mishra, R. Li, S. St. James, R. H. Mak, Y. Yue, C. L. Williams, R. I. Berbeco and J. H. Lewis, “Evaluation of 3D fluoroscopic image generation from a single planar treatment image on patient data with a modified XCAT phantom” February 2013, Physics in Medicine and Biology 58 841.

P. Mishra, S. St. James, W. P. Segars, R. I Berbeco and J. H. Lewis, “Adaptation and applications of a realistic digital phantom based on patient lung tumor trajectories” June 2012, Physics in Medicine and Biology, 57 3597.


Board Certification

American Board of Radiology, Therapeutic Medical Physics part 1 2011