John M. Sabol, Ph.D., currently serves as Principal Scientist, Healthcare Systems, GE Healthcare. Dr. Sabol has worked extensively on the research and development of advanced applications for digital radiography. He has participated in the development of these applications from initial concept, through engineering development, and finally clinical validation working with numerous engineering and clinical collaborators around the globe. Dr. Sabol has focused on identifying practical problems in radiographic imaging and then developing and validating solutions in the clinical environment. As a result, he has over 20 years of research experience covering a wide range of activities in the development of X-ray imaging devices and applications. His research efforts have ranged from academic and theoretical investigations to practical assessments of dose or clinical effectiveness of radiographic techniques. Over the course of this work he has had the opportunity to collaborate with many talented scientists, engineers, clinicians and technologists. He has 77 peer-reviewed publications and proffered papers, and 47 U.S. and international patents with over 100 applications pending.