She brings more than 25 years of experience conducting clinical research studies involving Diabetes Mellitus Type 1 and Type 2, Hypertension, Hypercholesterolemia, Obesity, Osteoporosis, Cardiovascular disease, and Growth Hormone. She has worked, initially with Dr. Bressler, and then with the North Texas Endocrine Center, as Clinical Research Coordinator for over 20 years. She has a wide experience in coordinating and managing administrative and clinical aspects of investigational drugs, device and other research trials. Donna thoroughly follows and is up-to-date with all federal regulations and institutional policies.