Radiation Medicine Our People Radiation Oncology Physicians Our People Radiation Oncology Physicians Mark Edmund Bernard, MD Radiation Medicine Positions Held: Assistant Professor Denise Fabian, MD Radiation Medicine Positions Held: Assistant ProfessorAssociate Medical Residency Program Director Aradhana Kaushal, MD Radiation Medicine Positions Held: Associate Professor Mahesh Kudrimoti, MD Radiation Medicine Positions Held: ProfessorVice-Chairman for Clinical OperationsMedical Residency Program Director Charles Kunos, MD, PhD Radiation Medicine Positions Held: ProfessorMedical Director of Markey Cancer Center Clinical Research Office (CRO)Medical Director of Clinical & Investigational Radiotherapeutics Ronald McGarry, MD, PhD Radiation Medicine Positions Held: ProfessorVice-Chairman for ResearchDirector of Body Radiosurgery Program Waleed Mourad, MD, DABR Radiation Medicine Positions Held: Professor Marcus E. Randall, MD, FACR, FASTRO Radiation Medicine Positions Held: ProfessorChairman of the Department of Radiation MedicineMarkey Cancer Foundation Endowed Chair William St. Clair, MD, PhD Radiation Medicine Positions Held: ProfessorGamma Knife Radiosurgery Director