Gregory Sorensen, MD

Gregory Sorensen, MD is Executive Chairman of IMRIS.  Previously, he was Chief Executive Officer of Siemens Healthcare North America until October 2015. As a trendsetter in medical imaging, therapy systems, laboratory diagnostics, and healthcare information technology, Siemens Healthcare offers optimized clinical solutions across the entire care continuum - from prevention and early detection to diagnosis, treatment and follow-up.  By offering novel tools for improved diagnosis, as well as optimizing clinical workflows for the most common conditions, Siemens helps make healthcare faster, better and more cost-effective.  As head of the business in the largest global market, Sorensen brings to his leadership position a deep understanding of technology, the biological basis of disease, the importance of measurable outcomes, and the environment of clinical practice.  Prior to his role at Siemens, Sorensen served as Professor of Radiology and Health Sciences and Technology at Harvard Medical School; faculty member of the Harvard-MIT Division of Health Sciences and Technology; and Co-Director of the A.A. Martinos Center for Biomedical Imaging at Massachusetts General Hospital, as well as a visiting professor of neuroradiology at Oxford University. Leading up to his appointment with Siemens, Sorensen was a practicing neuroradiologist and active researcher with significant experience in clinical care, clinical trials, and translational research. His research and techniques are utilized by scores of centers throughout the world in phase II and III trials in cancer, stroke, and other illnesses. Sorensen holds a B.S. in Biology from California Institute of Technology, a M.S. in Computer Science from Brigham Young University, and a Medical Degree from Harvard Medical School.