Ali Shirkhoda is a clinical professor of Radiology at Wayne State University and also at University of California in Irvine. He is Director of Diagnostic Imaging and program Director of Fellowships at William Beaumont Hospital in Royal Oak Michigan. He was formerly professor of Radiology at the university of Texas MD Anderson Cancer Center and his main interest continue to be in the gastrointestinal and genitourinary oncological imaging and intervention. He is the author or coauthor of over 150 scientific publications, given over 200 lectures worldwide and is the author of three textbooks, one of which is published in three languages.