Deanna Aftab Guy, MD has been a pediatric endocrinologist for 18 years and prior to that practiced as an academic pediatrician for 5 years. She practices at TriStar Centennial Medical Center in Nashville, TN. She completed her pediatric residency at Akron Children’s in Akron Ohio in 1994 and her pediatric endocrinology fellowship at Vanderbilt University Medical Center in 2002.  After more than 20 years in medicine, she furthered her education and graduated with her healthcare MBA from Belmont University in 2015 and utilizes this education to hold an active role in the administrative and operational structure of her institution where she has helped grow a new Children’s hospital and subspecialty program.  

Her research and publications has primarily included exploring the area of  hypoglycemia in patients with type 1 diabetes utilizing glucose clamp studies. She received the Diabetes Research Training Center grant while a fellow at Vanderbilt and presented several abstracts and posters at the ADA national meeting.  She volunteered for more than 10 years at Camp Sugar Falls providing medical care and one on one guidance to children with type 1 diabetes and their siblings.  In addition to her academic accomplishments, she has served on the board for the Juvenile Diabetes Research Foundation for the last three years and helped them raise more than 3 million dollars annually in the gala and walk. She recently started a local support group along with Southeast Psychological Associates for parents and caretakers of children with diabetes which has evolved into a popular virtual monthly event despite the new challenges of the recent Covid pandemic. The support group now heralds participants from many states.

Deanna is a mother to five children and her spouse Jeffrey Guy is also a physician. They have been married for 29 years since they graduated medical school, and she credits Jeff’s support and encouragement for much of her success in medicine.

2021 Women in White Coats Hero of the Year Nominees