David Konieczkowski, MD PHD Local Control Working Group James Cancer Hospital Dr. David Konieczkowski is the Director of Sarcoma Radiation Oncology at the James Cancer Hospital / The Ohio State University, where he works with an expert multi-disciplinary team in the care of adult and young adult patients with sarcomas and skull base tumors. He has a clinical focus on the use of proton therapy for these challenging malignancies and a research background in translational genomics. He is active in numerous professional sarcoma groups including CTOS, SARC, SWOG, ASTRO, and Big Ten Cancer Research Consortium, for which he co-chairs the sarcoma working group.