AUSTELL DENTAL EXCELLENCE - Key Persons


Dr. Brady Johnston

Dr. Brady Johnston earned his Doctor of Dental Surgery from University of Utah in May 2023. While in school, he worked closely with specialists to apply research-backed solutions to patient problems. Dr. Johnston particularly enjoys caring for geriatric patients & is enthusiastic about improving patient quality of life through the restoration & maintenance of oral health. He continually pursues opportunities to hone his clinical skills. Passionate about fitness, Dr. Johnston is also a foodie to the core & enjoys roller skating & scuba diving. He speaks Spanish & Portuguese-skills which will come in handy as he works toward his goal of visiting every country in Latin America.

Meet Andrea

Born & raised in Venezuela, Andrea worked for a few years in the dental field in her home country before moving to Georgia in 2016. Since then, she has advanced her career by earning a Dental Assistance Certificate in Marietta, GA, in 2017. Andrea enjoys assisting her patients, helping them to gain their confidence & get their smile back, especially in orthodontics. In her spare time, she likes to volunteer as a band director & keyboard player in her Christian church.

Meet Betty

Originally from Cuba, Betty is now studying to revalidate her dentist degree in the U.S. She is deeply dedicated to the profession of dentistry & particularly enjoys helping patients.

Meet Joy

Joy started in the dental field as a dental assistant & treatment coordinator over 12 years ago. When she is not at work, she enjoys spending time with her family & making cards.

Meet Kelly

Kelly has been in dentistry for over two years. She has her Associate's degree & her expanded functions certification in dental assisting. She's been a treatment coordinator for one year with Austell Dental Excellence. During her free time, she enjoys hanging out with her friends & family & doing her nails.

Meet Mariotte

Mariotte is a Powder Springs resident who graduated from Dental Hygiene school in 2018. Keeping Christ in his heart, he strives every day to work harder & provide his patients with the best quality care.

Meet Nayeli

Nayeli graduated from the Dental Assistant School of Atlanta, Georgia. She enjoys assisting the doctor in doing extractions & fillings. In her spare time she likes spending time with friends, going to concerts & shopping!