Biography Text: Dr. St. John has a PhD in Chemical Engineering with a focus on material science and surface measurements who now works in translational science and medicine, i.e., translating benchtop science to clinically effective products that support improved health outcomes. He has worked for P&G Oral Care R&D for over 15 years pursuing the invention and development of new-to-the-world oral care ingredients for the prevention and treatment of dental caries, erosion, as well as breakthrough products for the treatment of gingivitis and plaque.  Dr. St. John has co-authored 25 peer-reviewed publications, applied for over 50 patents on oral care inventions, and given over 40 conference talks and continuing education classes.