Kenton Johnston, Ph.D. (IMAGE) Saint Louis University Caption Kenton Johnston, Ph.D., is an assistant professor of health management and policy at Saint Louis University College for Public Health and Social Justice. Credit Saint Louis University Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.