Nominations for the Dr. Barry T. Katzen Master Clinician Award may be submitted by colleagues, peers, supervisors, or patients who have been positively impacted by the nominee's work. Nominations should include specific examples or anecdotes that illustrate the nominee's dedication to patient care, work ethic, continuous improvement, and impactful contributions to the field of interventional radiology.  Solicitations for nominations will occur annually from the SIR Foundation with at least two letters of support.