William S. Rilling, MD FSIR is Professor of Radiology and Surgery at the Medical College of Wisconsin. He completed his diagnostic radiology residency at the Medical College of Wisconsin and his Fellowship in Vascular Interventional Radiology at Northwestern University in Chicago in 1996. He has been practicing at the Medical College of Wisconsin since 1996 and is the Vice Chair of Clinical Operations in Radiology and the former Director of the Division of Vascular and Interventional Radiology for 14 years.

Dr Rilling has served on the Executive Council for SIR, and the Board of Directors for both WCIO and SIR Foundation. As Education councilor for SIR, he co-directed the first three professional education meetings dedicated to Interventional Oncology beginning in 2002. He has also served as annual meeting chair for both SIR and WCIO. He has served as local and national principal investigator for a number of important IO trials and is currently active as a consultant for a number of companies working to improve outcomes in IO.