Team of Instructors – Diabetes Educator Course

DiabetesEd Specialist Course Faculty

Coach Beverly Thomassian, RN, MPH, BC-ADM, CDCES

Author, Nurse, Educator, Clinician and Innovator, Beverly has specialized in diabetes management for over twenty years. As president and founder of Diabetes Educational Services, Beverly is dedicated to optimizing diabetes care and improving the lives of those with diabetes.


Diana Isaacs, PharmD, BCPS, BC-ADM, BCACP, CDCES

We are thrilled to welcome our newest speaker, Diana Isaacs, who will be joining our Virtual and Live Courses!

Dr. Isaacs was named 2020 AADE Diabetes Educator of the Year for her educational platform promoting the use of CGM for people with diabetes and other innovations.  Dr. Isaacs was awarded the Ohio Pharmacists Association Under 40 Award in 2019. Dr. Isaacs has served in leadership roles for several pharmacies and diabetes organizations. She has numerous diabetes publications and research projects with a focus on medications, CGM and diabetes technology.

As the CGM Program Coordinator and clinical pharmacist specialist in the Cleveland Clinic Diabetes Center, Dr. Isaacs brings a wealth of clinical knowledge combined with extensive research experience to this program.


Ashley LaBrier, MS, RD, CDCES

Ashley is an educator, dietitian, and the Diabetes Education Program Coordinator at the Salinas Valley Medical Clinic’s Diabetes & Endocrine Center. Her work with people living with diabetes focuses on the value of healthy nutrition and movement to improve well-being.

Ashley is passionate about providing person-centered education to empower those who live with diabetes. Having been diagnosed with type 1 diabetes herself nearly 20 years ago, she combines her professional knowledge with personal experience and understanding. 


Lonnie Vaughn, RNC, BSN, CDCES

As a leader in the field of diabetes management, Lonnie has been championing best care practices at Doctor’s Hospital in Modesto for over 20 years. As a certified diabetes educator, trainer, mentor and advocate, her passion and commitment to improving diabetes care is valued by patients and professionals alike.  Lonnie’s expertise and experience uniquely qualify her to speak on a multitude of diabetes related topics that not only inform but inspire.


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The use of DES products does not guarantee the successful passage of the CDCES exam. NCBDE does not endorse any preparatory or review materials for the CDCES exam, except for those published by NCBDE.