Theodore DeWeese is vice president for interdisciplinary patient care for Johns Hopkins Medicine, the Kimmel Professor of Radiation Oncology and Molecular Radiation Sciences, and director of the Department of Radiation Oncology and Molecular Radiation Sciences at the Johns Hopkins University School of Medicine. He also holds a  joint faculty appointment in the Department of Environmental Health Sciences at the Johns Hopkins Bloomberg School of Public Health. 

DeWeese has served in multiple leadership roles throughout his career at Johns Hopkins. He led an expansion of the Johns Hopkins radiation oncology programs to the National Capital Region and to Johns Hopkins Bayview Medical Center, and has served on numerous committees and councils at Johns Hopkins, including serving as the chair of the medical board and president of the medical staff for The Johns Hopkins Hospital.

In 1995, DeWeese joined the faculty in the Department of Oncology, Division of Radiation Oncology and in the Department of Urology in the school of medicine.  Following the board of trustees decision in 2003 to create a new Department of Radiation Oncology at Johns Hopkins, DeWeese was asked to serve as the founding director and professor.

Recognized as an international expert in the management of men with prostate cancer, DeWeese has conducted multiple clinical trials that have sought to improve the quality and quantity of the lives of men with the disease. This has included several “first-in-man” clinical translations of novel therapies.

DeWeese also manages a research laboratory that focuses on DNA damage and repair in cancer cells with the goal of devising new ways to enhance the effects of radiation and chemotherapy to kill cancer.

A published author with more than 140 peer-reviewed papers, he has given numerous lectures and visiting professorship talks, and served as a mentor to many trainees, medical students and residents.

He was elected to the board of directors for the American Society for Radiation Oncology in 2013, serving as chair of the Scientific Council for the society, and is senior editor of the most prestigious scientific journal in his field.  DeWeese was also appointed by the National Academy of Sciences to serve as the chair of the Radiation Effects Research Foundation based in Hiroshima, Japan, to review and help guide the organization’s research that focuses on biologic effects of atomic bomb radiation.

DeWeese obtained his medical degree from the University of Colorado School of Medicine in 1990, and completed his residency in radiation oncology at The Johns Hopkins Hospital. He served as chief resident and then studied as a laboratory research fellow in urologic oncology at Johns Hopkins. 

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