Randall Brenneman, MD, PhD

Assistant Professor of Radiation Oncology


  • BA, Neuroscience: Franklin & Marshall College, Lancaster, PA (2003)
  • PhD, Cancer Biology: University of Miami Leonard M. Miller School of Medicine, Miami, FL (2013)
  • MD: University of Miami Leonard M. Miller School of Medicine, Miami, FL (2016)
  • Internship, Internal Medicine: Florida Atlantic University Charles E. Schmidt College of Medicine, Boca Raton, FL (2017)
  • Residency in Radiation Oncology: Washington University School of Medicine (St. Louis, MO) (2021)


  • Member, Alpha Omega Alpha Honor Medical Society (2021)
  • Best of ASTRO 2020, Defining Radiotherapy (RT) Coverage for Non-Melanoma Skin Cancer (NMSC) using Mohs Micrographic Surgery (MMS) Margins
  • RSNA Trainee Research Prize (2020)
  • American Brachytherapy Society (ABS) Resident Travel Grant (2019)
  • American Medical Association (AMA) Medical Student Seed Grant (2015)
  • RSNA Research Medical Student Grant (2015)
  • Phi Beta Kappa (2003)

Clinical Interests

  • Head and Neck Oncology
  • Genitourinary Oncology
  • Oligometastatic disease


Randall J. Brenneman, MD, PhD, is an assistant professor in the department of Radiation Oncology at Washington University School of Medicine. He graduated magna cum laude from Franklin & Marshall College in 2003 with a degree in Neuroscience and was elected to the Phi Beta Kappa honor society. He completed the Medical Scientist Training Program at the University of Miami Leonard M. Miller School of Medicine, earning dual Ph.D. and M.D. degrees, and completed a one-year post-doctoral research year between his Ph.D. and M.D. training conducting research on the synergy between radiation and immunotherapy in preclinical models. He completed an internship in Internal Medicine and residency in Radiation Oncology at Washington University where he served as Chief Resident. Dr. Brenneman joined the clinical faculty in 2021. His clinical and academic interests include head and neck, skin, and genitourinary (prostate, kidney, bladder, testicular) cancers, brachytherapy, oligometastatic disease, clinical informatics, patient safety/quality improvement, and resident education.


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