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Ozgur Ates, PhD, DABR
Ozgur Ates, PhD, DABR

Ozgur Ates, PhD, DABR

Assistant Member, St. Jude Faculty



  • PhD (Radiation Physics) - Hampton University, Hampton, VA
  • Graduate Fellowship (Particle Physics) - Thomas Jefferson National Accelerator Laboratory, Newport News, VA
  • Graduate Fellowship (Particle Physics) - German Electron Synchrotron (DESY), Hamburg, Germany
  • Postdoctoral Fellowship (Radiation Oncology) - Medical College of Wisconsin, Milwaukee, WI


  • Diplomate, The American Board of Radiology 05/2019
  • Therapeutic Medical Physics

Honors & Awards

  • 2022  Gold Ovation Award, St. Jude Children’s Research Hospital
  • 2019  Silver Ovation Award, St. Jude Children’s Research Hospital
  • 2018  Bronze Ovation Award, St. Jude Children’s Research Hospital

Research Interests

  • Adaptive proton therapy
  • Surface guided radiation therapy
  • Motion management strategies
  • DECT-based proton dose calculations
  • Safety and toxicity analysis
  • Particle therapy metrology systems

Selected Publications

Ates O, Zhao L, Sobczak D, Hua C, Waghorn B, Merchant TE. Design of a novel 5-camera surface guidance system with multiple imaging isocenters. Journal of Applied Clinical Medical Physics Aug;e13750, 2022.

Moskvin V, Pirlepesov F, Yan Y, Ates O, Merchant TE, Hua C. Accuracy of stopping power ratio calculation and experimental validation of proton range with dual-layer computed tomography. Acta Oncologica May, 2022.

Ates O, D Sobczak, C Hua, L Zhao, M Krasin, Application of Silicone-Filled Vaginal Spacers for Pediatric Proton Therapy. International Journal of Particle Therapy May, 2022.

Acharya S, Wang C, Quesada S, Gargone M, Ates O, Krasin M, Merchant T, Hua C. Adaptive proton therapy for pediatric patients: Improving the quality of the delivered plan with on-treatment MRI, International Journal of Radiation Oncology Biology Physics 109(1):242-251, 2021.

Ates O, C Hua, L Zhao, N Shapira, Y Yagil, TE Merchant, M Krasin. Feasibility of Using Post-Contrast Dual-Energy CT for Pediatric Treatment Planning and Dose Calculation. The British Journal of Radiology 94(1118):20200170, 2021.

Klawikowski S, Tai A, Ates O, Ahunbay E, Li XA. A fast 4D IMRT/VMAT planning method based on segment aperture morphing. Medical Physics 45:4, 2018.

Ahunbay E, Ates O, Li XA. An online replanning method using warm start optimization and aperture morphing for flattening-filter-free beams. Medical Physics 43:8, 2016.

Ates O, Ahunbay E, Moreau M, Li XA. A fast online adaptive replanning method for VMAT using flattening filter free beams. Medical Physics 43:6, 2016. 

Last update: December 2022