Community Health Certified Diabetes Educators Teach Awareness, Self-Management By Jill Jesso-White on September 18, 2018 in Community Health News Diana Johnson, an RN and one of the 57 Certified Diabetes Educators in the state of Vermont, is a health professional who possesses the knowledge and experience to help those in the CHCRR community understand, prevent and manage how diabetes develops and how the multiple stages of the disease can be treated.