The Society of Interventional Radiology (SIR) is a prominent professional medical society based in Fairfax, Virginia, dedicated to enhancing patient care through minimally invasive, image-guided treatments. Representing nearly 9,000 interventional radiology professionals, including physicians, trainees, and clinical experts, SIR plays a crucial role in the medical community. As a 501(c)(6) association, it focuses on advancing the specialty through research, education, and collaboration with corporate stakeholders. The organization, along with its 501(c)(3) Foundation, operates with a combined annual revenue of $10 million and manages assets totaling $18 million, emphasizing its commitment to innovation and excellence in interventional radiology.