Jennie Austin, DMD

Dr. Austin received her DMD degree from Temple University School of Dentistry in Philadelphia, Pennsylvania. While in dental school, Dr. Austin belonged to several student organizations focused on continued learning in the field of dentistry and leadership. She served as the admission committee representative for her class during her sophomore and junior year and as president of the Stomatognathic Honor Society. She was also involved in community outreach programs serving children and special-needs patients.

Dr. Austin is an active member of the Seattle Study Club, which specializes in monthly continuing education courses. She is also a member of the Georgia Dental Association, the American Dental Association, the Northern District Dental Society and the Academy of General Dentistry.

When Dr. Austin is not helping her patients achieve their dental health goals, she enjoys spending time with her husband Andrew, two dogs, family and friends. She attends Buckhead Church and is a regular volunteer dentist at the Good Samaritan Health Center, whose mission is “Spreading Christ’s Love through Quality Healthcare to Those in Need.”

Nicole Barnett, DMD

Dr. Nicole Barnett graduated from Georgia Health Sciences University. She was the recipient of the Hinman Dental Society Scholarship and also the Judson C. Hickey Memorial Scholarship. Dr. Barnett has participated in the “Dentist for Delta” with the Georgia War Veterans Nursing Home, Special Smiles at the Special Olympics, and various other community outreach programs.

After her graduation, Dr. Barnett attended the University of Tennessee Graduate School of Medicine and completed her General Practice Residency with rotations in Oral and Maxillofacial Surgery, Hospital Dentistry, Forensic Dentistry, Anesthesiology, Family Medicine and Emergency Medicine. She is a member of the Academy of General Dentistry, American Dental Association, and Georgia Dental Association.

In her spare time, Dr. Barnett enjoys time with her family and friends, exploring Atlanta on her bike, taking her dog out, traveling, and making a home-cooked meal.

Herpreet Sethi, DMD

Dr. Herpreet Sethi graduated from University of Detroit Mercy with a Biology major and DDS degree. During that she received University of Detroit Mercy Dental Merit Scholarship, Leadership award, Biology award for Community service and Key award for Academic Achievement. She has done several mission trips including one to Guatemala to serve the underserved population. She also has participated in the Give Kids a Smile Day event, Special Smiles at the Special Olympics, and other community outreach programs.

After dental school graduation, she completed her General Practice Residency at Saint Joseph Mercy Oakland Hospital with rotations in Oral and Maxillofacial Surgery, Hospital Dentistry, Anesthesiology, Family Medicine and Emergency Medicine

She is a member of the Academy of General Dentistry, American Dental Association, and Georgia Dental Association.

In her spare time Dr. Sethi enjoys traveling, cooking different meals at home, working out, and spending time with her family and friends.

Katy Vesper, DMD

Dr. Vesper completed her undergraduate studies at Georgia Tech, graduating with a bachelor`s degree in Biochemistry. During her time there, she gained the opportunity to research dental therapy and present her research at the International and American Association for Dental Research conferences.

She then attended Georgia Regents University (formerly Medical College of Georgia) where she received her DMD degree from the College of Dental Medicine. In those four years, Dr. Vesper participated in numerous volunteer activities including the Georgia War Veterans “Dentists for Della” Project, Special Smiles at the Special Olympics, Christ Community Trunk or Treat, and mission work at La Fuente Clinic in Cusco, Peru. Dr. Vesper was honored with the Omicron Kappa Upsilon Academic Achievement Award and received the Emile T. Fisher Foundation Scholarship. She is an active member of the Academy of General Dentistry, American Dental Association, and Georgia Dental Association.

In her spare time, Dr. Vesper enjoys cheering on the Atlanta Falcons, relaxing with friends, and when she`s able, visiting her family in Cincinnati.

Donald Mardis, DDS

Dr. Donald Mardis brings more than two decades of experience to the practice, including serving as an assistant officer in the United States Navy Dental Corps for six years. During his time in the Navy, Dr. Mardis was part of a team that cared for the dental needs of approximately 11,000 officers and enlisted personnel. He was awarded with a Naval Commendation Medal at the conclusion of his tour.

In addition to his experience as a general dentist, Dr. Mardis has completed training in specialty areas such as dental sleep medicine and implant treatment planning and restorative options. He earned a Doctor of Dental Surgery (DDS) degree from the Ohio State University College of Dentistry.

“I believe that dentistry has been a blessing to me because it’s not just a job about teeth. It is really about getting to know people and helping them the best you can.”

Samuel Posey, DMD

Three of Dr. Posey’s biggest motivations are his passion for learning, drive to succeed, and making a significant difference in the lives of others. Dr. Posey realizes that one’s life can only be made worthy through service to others. This is why nothing Dr. Posey does gets less than 100% effort, including the effort he puts toward making sure every patient is satisfied!

Dr. Posey graduated with honors from Gilmer High School in Ellijay Georgia. He then attended Berry College in Rome, Georgia where he graduated Magna Cum Laude with a BS in Biology with a minor in Chemistry. During his time at Berry he was class treasurer, earned the US Presidential Volunteer Service Award, and presented various research on Chagas disease. He earned his Doctorate of Dental Medicine from the Medical College of Georgia in 2014.

Dr Posey broadens his skill level with yearly continuing education classes, and is an active member of the American Dental Association, Georgia Dental Association and the Academy of General Dentistry.

In his spare time, Dr. Posey enjoys reading, traveling and gym time.

Frank F. Nia, DMD, MSEd, Partner

Dr. Frank received his DMD degree from the University of Pennsylvania School of Dental Medicine. While at the University of Pennsylvania he received a scholarship to the Graduate School of Education, where he earned an MSEd in higher education.

As part of his training, Dr. Frank holds active membership with multiple organizations that focus on improving both clinical and care standards. He is actively involved in the community and believes that the connection between a dentist and patient is more about overall health then just healthy teeth.

In his free time, Dr. Frank enjoys almost all sports, including football, tennis and golf. Most importantly, Dr. Frank loves spending time with his wife and family.

Alex Toub, DMD, MSBE, Partner

Dr. Toub completed his undergraduate studies at Simon Fraser University in Vancouver, Canada. He continued his academic career at the University of Pennsylvania, where he received his DMD degree. His unique vision of dentistry led him to pursue and complete his Masters of Bioethics at the University of Pennsylvania’s School of Medicine.

Dr. Toub followed his training with a General Practice Residency at the University of Nevada School of Medicine, where he completed training in advanced dental implantology, cosmetic dentistry and IV conscious sedation. His ability to offer sedation dentistry provides his patients with a more peaceful and relaxing experience.

Dr. Toub is affiliated with the American Dental Association, Georgia Dental Association and American Academy of Cosmetic Dentistry. Outside of his professional life, Dr. Toub enjoys traveling, playing sports and spending time with his family.

Michael Hampton, DMD

Dr. Michael Hampton obtained his bachelor’s in biology at the University of Georgia in 2014. From there he attended the Dental College of Georgia, where he graduated in May 2018 with a doctorate in dental medicine. While in dental school, Michael spent much of his time volunteering and tutoring; he was a dental school tutor as well as an afterschool tutor for elementary school children over the course of two years. Currently, Michael is involved with the American Dental Association and Georgia Dental Association. He is also staying involved in continuing education in order to provide the most up-to-date dentistry to the community.

Outside of dentistry, Michael enjoys music. He has practiced the guitar, bass guitar, piano, and vocals over the course of ten years. He is also an avid exerciser; he enjoys running, weight lifting, and racquetball.

Sukhmani Sidhu, DMD

Dr. Sidhu graduated from The University of Georgia then attended The Dental College of Georgia at Augusta University earning her DMD degree. She continued on to complete a General Practice Residency at The University of Alabama at Birmingham, a hospital-based program focused on complex comprehensive treatments including; dental implants, sedation dentistry, oral surgery, endodontics and advanced cosmetic procedures.

A member of the American Dental Association and the Georgia Dental Association, she continually learns more about cosmetic dentistry, new technology, and facial aesthetics in order to offer her patients the best in dentistry. Since the field constantly evolves, it is important for Dr. Sidhu to stay on top of all the latest developments through continuing education.

Outside of the office, Dr. Sidhu enjoys spending time with friends and family, being outdoors, and traveling.

Our Specialists

Abtin Shahriari, DMD MPH – Oral Surgeon

Dr. Shahriari completed his undergraduate training at Emory University with a BS in biology. After receiving his Masters in Public Health from Emory University in Epidemiology and International Health, Dr. Shahriari worked for the CDC for three years. He also served as a consultant to the World Health Organization for eradication of the polio virus in Bihar, India. He received his DMD from the University of Pennsylvania with multiple awards for his research and volunteer work in Songea, Tanzania. He received his specialty certification in oral and maxillofacial surgery from Emory University.

As a result of his extensive research and academic interests, Dr. Shahriari has presented multiple articles at national and international meetings. He is actively engaged in research projects involving different aspects of maxillofacial surgery. He speaks three languages (English, Spanish and Persian) and believes that the most important and rewarding part of his work is the care of his patients. His philosophy is to approach treatment through the perspective of the patient, emphasizing that good communication is essential for exceptional care and a trusting, long-lasting relationship.

Outside of his professional life, Dr. Shahriari enjoys traveling, swimming and losing ping pong matches to Dr. Toub. Most importantly, Dr. Shahriari enjoys spending time with his family.

Ajay Ganti, DDS MD – Oral Surgeon

Dr. Ajay Ganti is a dual degree oral and maxillofacial surgeon who practices full scope oral and maxillofacial surgery. Dr. Ganti earned his Doctor of Dental Surgery (DDS) from Columbia University’s College of Dental Medicine. He then matriculated into the Emory University School of Medicine, where he earned his Doctor of Medicine degree (MD). Dr. Ganti completed his surgical residency in Oral & Maxillofacial Surgery at Emory University Hospital, with advanced training in dentoalveolar surgery, dental implants, bone grafting, facial trauma, orthognathic surgery and reconstructive surgery. In addition, he completed a General Surgery internship within the Emory University Department of Surgery.

After residency, he completed a fellowship with internationally renowned surgeon, Dr. Pat Ricalde. Under her mentorship and guidance, Dr. Ganti received advanced training in the management of patients with craniofacial deformities, cleft lip, and cleft palate. His passion to provide care to those who are less fortunate has led him to mission trips to Jamaica and Bangladesh. Dr. Ganti has hospital staff privileges at Gwinnett Medical Center and Northside Hospital.

Out of the office, Dr. Ganti enjoys spending time with his family, traveling, running, playing golf and tennis.

Devon Watson, DMD – Endodontist

Dr. Devon Watson completed her bachelor’s degree in biology from the University of Georgia in Athens, Georgia and graduated Summa Cum Laude. She attended the Medical College of Georgia School of Dentistry where she obtained her Doctorate of Dental Medicine degree. Dr. Watson then practiced general dentistry in the Atlanta area but ultimately decided that endodontics was her passion. She completed her post-doctorate endodontics degree from Georgia Regents University in Augusta, Georgia. Her research on calcium aluminosilicate cements has been published in the Scientific Reports journal.

Dr. Watson is board eligible and is an active member of the American Dental Association, the American Association of Endodontics and the Georgia Association of Endodontists. She is committed to continued education to offer the latest technological and clinical advancements to her patients. Dr. Watson is dedicated to providing the highest quality endodontic treatment while focusing on alleviating her patients’ pain and fear.

She is pleased to serve back home in Atlanta and enjoys running, cooking, watching movies, reading and spending quality time with friends and family.

We look forward to getting to know you and your family!