The ABR employs four experts from their fields to serve as extensions of Executive Director Brent Wagner, MD, MBA. These associate executive directors (AEDs), all of whom work part-time at the ABR, come from the four specialties that the organization certifies: diagnostic radiology (DR), interventional radiology/diagnostic radiology (IR/DR), medical physics (MP), and radiation oncology (RO). 

Learn more about the AEDs and what they do by watching these videos.

DR: Mimi Newell, MD

IR/DR: James Spies, MD

MP: Geoffrey Ibbott, PhD

RO: Michael Yunes, MD