Dr. John Featherstone is Dean Emeritus of the School of Dentistry at the University of California, San Francisco (UCSF) and Professor Emeritus of Preventive and Restorative Dental Sciences. He holds a Ph.D. in chemistry from the University of Wellington (New Zealand). His research over the past 44 years has covered several aspects of cariology (study of tooth decay), and he was a pioneer in research on laser interactions with hard tissues. He is currently active in implementing caries management by risk assessment in several venues across the world. He has received numerous National and International awards, including the Norton Ross Award for excellence in clinical research from the American Dental Association (2007). He is as an Honorary Fellow of the American College of Dentists, the Pierre Fouchard Society, an honorary lifetime member of the Academy of Laser Dentistry and also the American Dental Association. He has published over 300 papers and book chapters.