He works as an attending radiologist at the University of North Carolina, Chapel Hill Medical School. He received his medical degree and residency training in Radiology in is native Turkey at Marmara University in Istanbul. He completed a clinical fellowship in Abdominal Imaging and a clinical research fellowship in MRI of the Body at the University of North Carolina at Chapel Hill. Dr. Altun authored over 35 peer-reviewed articles, numerous books chapters and authored the book entitled Liver Imaging: MRI with CT Correlation, which is published in the Current Clinical Imaging Series of Wiley.