Dr. Nader Moshiri Sedeh

Key Capabilities

• Therapeutic Medical Physics

  Clinical support for linear accelerators, electronic brachytherapy, afterloaders, CT simulators and orthovoltage treatment systems, including commissioning, acceptance, decommissioning, quality assurance and tune-up.

• Radiotherapy Planning & Delivery

  Planning and supervision of SRS and SBRT treatments, with experience across RapidPlan, HyperArc, Eclipse, RayStation, Monaco, XiO and iPlan treatment-planning environments.

• Dosimetry & Quality Assurance

  Commissioning and clinical use of patient-specific QA, imaging, dosimetry and motion-management systems from major radiotherapy vendors.

• Radiation Shielding & Accreditation

  Vault design and shielding calculations, alongside experience supporting APEX and ACR accreditation processes.

• Clinical Workflow Optimization

  Establishing safe, efficient radiotherapy workflows in multi-vendor centers and adapting clinical teams to new software, devices and treatment technologies.

Work Experience

• Senior Medical Physicist — US Medical Physics LLC

  Texas · 2019 – present

• Medical Physicist — Advanced Medical Physics Inc

  Texas · 2016 – 2019

• Junior Physicist in Training — Advanced Radiation Physics, Inc

  Boca Raton, Florida · 2012 – 2016

• Radionuclide Therapy & Dosimetry Research

  Johns Hopkins University School of Medicine · 2015 – 2017

  Conducted research in Dr. George Sgouros’ laboratory within the Department of Radiology and Radiological Science.

Selected Projects

• Linear accelerator commissioning from initial acceptance through clinical release, including Varian, Elekta and Siemens systems.

• Establishment of stereotactic radiosurgery and stereotactic body radiotherapy programs.

• Conversion of machine calibration between source-to-axis distance and source-to-surface distance techniques.

• Multi-vendor treatment-planning, record-and-verify, imaging and dosimetry system commissioning and workflow integration.

• Comparative pharmacokinetics, biodistribution and dosimetry of lead-212-labeled antibody, peptide and small-molecule agents.

• Dosimetric and radiobiological comparison of IMRT and VMAT optimization for whole-breast irradiation.

Education

• Ph.D. in Theoretical Physics — 2023 · GPA 3.7/4

• M.Sc. in Medical Physics — 2015

• M.Sc. in High Energy Particle Physics — 2008 · GPA 3.8/4

• Diplomate of the American Board of Radiology in Therapeutic Medical Physics; licensed in Texas, Florida, California and Oregon.

Multi-component Systems Design

Design, commissioning and integration of complete radiotherapy environments spanning treatment units, CT simulation, treatment planning, oncology information systems, image guidance, patient-specific QA and dosimetry instrumentation.

SCIENTIFIC MODELING & SIMULATION

• Physics simulation and analytical modeling using Mathematica and MATLAB, including Foucault pendulum motion and three-dimensional Ising-model studies.