Ralph Weissleder, MD is Director of the Center for Molecular Imaging Research and Attending Interventional Radiologist at Massachusetts General Hospital and Professor at Harvard Medical School. He is an author of Primer of Diagnostic Imaging, 5th Edition.

Dr. Weissleder is a founding member of the Society for Molecular Imaging Research and has served as its president. He has received numerous awards for his work, including the J. Taylor International Prize in Medicine, the Millenium Pharmaceuticals Innovator Award, the Association of University Radiologists Memorial Award, the American Roentgen Ray Society President’s Award and The Society for Molecular Imaging Lifetime Achievement Award.