He has pioneered multiple high-resolution MRI techniques to detect vulnerable atherosclerotic plaques and led numerous MRI studies examining carotid atherosclerosis. He is a member of the editorial board for the following Journals: JACC CV imaging, Journal of Cardiovascular MR, and the Journal of Geriatric Cardiology. He also serves as manuscript reviewer for about 20 other peer-reviewed journals involving magnetic resonance, arteriosclerosis, stroke and cardiovascular sciences.