SIR 2026
Section Programming
General IR
Medical Students
Omar Abdalla (he/him/his)
Medical Student
Vanderbilt University Medical Center, United States
Nathan T. Ji, MS (he/him/his)
Medical Student
Icahn School of Medicine at Mount Sinai, United States
Ahsun Riaz, MD, FSIR
Associate Professor of Radiology and Surgery
Northwestern University, United States
Stephanie Kim, MD
Radiology Resident
Loma Linda University Medical Center, United States
Ryan M. Cobb, MD (he/him/his)
Assistant Professor of Clinical Radiology
University of Pennsylvania, United States
Robert P. Liddell, MD, FSIR
Division Chief,
Associate Professor Radiology and Radiological Sciences
The Johns Hopkins Hospital, Baltimore, Maryland, United States, United States
Andrew C Gordon, MD, PhD
Interventional Radiologist
Northwestern University, United States