He conducts research on image-based patient-specific computational modeling of cerebral blood flow and aneurysms in close collaboration with clinicians from Inova Fairfax Hospital and other institutions in the USA and around the world. He is a member of the Center for Computational Fluid Dynamics of the College of Sciences, GMU. He has co-authored over 100 journal papers, 10 book chapters, and over 174 conference papers. His research has been funded by the National Institutes of Health, the American Heart Association, the Whitaker Foundation as well as industrial partners such as Philips Healthcare and Boston Scientific. He teaches courses in Fluid Mechanics, Biofluids, High Performance Computing and Computational Methods.