Marie Kate Gurka, MD

Kate C Arnold completed medical school at Georgetown School of Medicine, followed by OBGYN residency at the University of Oklahoma. She stayed on as Assistant Program Director and Associate Professor before becoming Director of Women's Health at Variety Care in Oklahoma City, a large, 18 site federally qualified health center. She completed her MBA and CPE in 2022. Dr. Arnold now works as a Laborist at Sibley Johns Hopkins and is also working as a healthcare consultant with KCA Consulting LLC.

Aditya Halthore, MD, serves as Assistant Professor in the Department of Radiation Oncology and Molecular Radiation Sciences and Director of Safety and Quality at the Johns Hopkins University School of Medicine. Listen to Dr. Halthore's On Target podcast episode to learn more about his work. Dr. Halthore is an expert in proton therapy and specializes in genitourinary and thoracic cancers. His specific interests include prostate, bladder, lung, esophageal, and thymic cancers, and he is committed to developing personalized treatment strategies for every patient. Dr. Halthore was previously recognized as a Howard Hughes Medical Institute (HHMI)/National Institutes of Health (NIH) Scholar and his research interests include grant funded clinical trials focused on the novel utilization of radiation and imaging techniques, such as spatial fractionation (proton GRID) therapy for the treatment of bulky cancers. He is also involved in using dual-energy CT and functional MRI studies that aim to improve functional radiation planning and the assessment of radiation-induced changes. As an educator, Dr. Halthore serves as Course Director for the Johns Hopkins Proton Therapy Certificate Program. He actively participates in student, resident, and fellow lectureship and mentorship across the Johns Hopkins health system. Dr. Halthore participates in several national-level initiatives including as a member of the American Society of Therapeutic Radiation Oncology (ASTRO) Guidelines Subcommittee and as a board member and ASTRO liaison to the Medical Dosimetry Certification Board (MDCB).