Dr. Roger Narayan is a Distinguished Professor in the Joint Department of Biomedical Engineering at the University of North Carolina and North Carolina State University. He is an author of over three hundred publications as well as several book chapters on the processing of biomedical materials. He serves as an editorial board member for several academic journals, including as associate editor of Applied Physics Reviews (AIP Publishing). Dr. Narayan has also edited several books, including Biomedical Materials, Second Edition (Springer), Materials for Medical Devices (ASM International), the Encyclopedia of Sensors and Biosensors (Elsevier), and the Encyclopedia of Biomedical Engineering (Elsevier).