Dr. Justus moved to Washington in 2006 from Downers Grove, Illinois where he had practiced radiology since 2001. He attended medical school at the University of Illinois in Chicago. Dr. Justus completed his residency in diagnostic radiology and fellowship in interventional radiology at Wayne State University in Detroit.

Dr. Justus is certified by the American Board of Radiology. He is also a member of the Radiological Society of North America, American Roentgen Ray Society and the Society of Interventional Radiology. Dr. Justus joined Valley Radiologists in summer of 2006.