A recognized leader in the development and evaluation of new CT technology and dose reduction methods, Cynthia H. McCollough, PhD, is the Brooks-Hollern Professor at the Mayo Clinic in Rochester, Minnesota, where she holds the rank of professor in both medical physics and biomedical engineering.

Dr. McCollough is a fellow of the American College of Radiology, the American Association of Physicists in Medicine, and the American Institute for Medical and Biological Engineering. She has over 400 peer-reviewed papers and multiple NIH grants related to CT imaging and has served as the president of the American Association of Physicists in Medicine. She received her master's and doctorate degrees in medical physics at the University of Wisconsin, Madison after graduating summa cum laude in physics from Hope College in Holland, Michigan.

Dr. McCollough’s research revolves around the technology of CT imaging and its many clinical applications. She has contributed extensively to the measurement, management, and reduction of CT radiation dose; to the education of healthcare personnel and the public on the safety of medical imaging; and to the fields of photon-counting, multi-energy, and cardiac CT. Dr. McCollough has an avid interest in the history of CT imaging.