Steven J. DiBiase, MD, is the chair and chief of service for the Julia and Ned Arnold Center for Radiation Oncology at NewYork-Presbyterian Queens and is on the hospital's executive committee. He is a Vice Chair and Assistant Professor (Interim) of Radiation Oncology at Weill Cornell Medicine.

Dr. DiBiase has worked in Radiation Oncology at several health systems throughout the country, including the University of Maryland Medical System, the Cooper Health System, the Robert Wood Johnson School of Medicine, the University of Tennessee Medical Center and Tulane University School of Medicine. He has also worked as a cancer center reviewer for the American College of Radiology’s Radiation Oncology Practice Accreditation Program for more than nine years.

Dr. DiBiase has authored more than 40 peer-reviewed publications and presentations. He was awarded a National Institute of Health Research Project Grant (NIH R01) as the Principal Investigator for a study utilizing advanced MRI techniques and radiation therapy to treat prostate cancer. He has extensive clinical background in stereotactic radiosurgery and stereotactic body radiation therapy (SBRT) technologies for complex cancerous lesions and is a national leader in the management of prostate cancer. He activiely participates in the newest approaches to cancer therapy and is the Principal Investigator for the NRG national cooperative group at NYP Queens.