He is also a primary faculty member in the Coulter Department of Biomedical Engineering, Emory University and Georgia Institute of Technology. He is a faculty member in the Department of Mathematics and Computer Sciences, Emory University. He is a Georgia Research Alliance Distinguished Cancer scientist, director of Quantitative Bioimaigng Laboratory ( www.feilab.org), and director of Precision Imaging Research Program in the Department of Radiology and Imaging Sciences, Emory University School of Medicine.