is a Professor of Radiation Oncology at Brown Medical School in Providence and a clinical medical physicist with internationally-recognized expertise in brachytherapy dosimetry. He has championed this treatment modality within the American Association of Physicists in Medicine, the American Brachytherapy Society, the American Society for Radiation Oncology, and the European Society for Radiotherapy and Oncology through numerous board appointments, committee assignments, and task group chairmanships. Dr. Rivard serves on radiotherapy editorial boards in leadership roles specific to clinical medical physics, and has received substantial extramural support for his various research programs. Through these efforts, he has innovated several medical devices for advancing patient care.