
Jonathan Chang, DMD
Dr. Chang is the founder of Sweet City Smiles and has been dedicated to providing exceptional dental care since opening the practice in 2019. With over a decade of experience, he is passionate about building meaningful relationships with patients and helping them achieve their oral health goals.
Dr. Chang takes pride in making dentistry approachable and educating patients on the often-overlooked principles of preventive care. Nothing makes him smile more than hearing patients rave about Sweet City Smiles as their favorite dental family.
Originally from Alhambra, California, Dr. Chang earned his psychology degree with a minor in biology from the University of Georgia in 2010 before completing his Doctor of Medicine in Dentistry (DMD) degree at the Medical College of Georgia in 2014. He is affiliated with the American Dental Group of the Academy of General Dentistry, and Spear Education.
Outside of the office, Dr. Chang enjoys playing pickleball, visiting Disney World with his wife, traveling to Los Angeles to see family and friends, and trying new restaurants. He’s also an avid sports fan, cheering on the Los Angeles Lakers, the Los Angeles Dodgers, and the Georgia Bulldogs.
He and his wife, Kristin, have been married since 2017 and share their home with two beloved dogs, Finley and Ellie — while looking forward to growing their family in the future.
Education
Bachelor of Science
- University of Georgia
Doctorate of Dental Medicine
- Medical College of Georgia
Professional Affiliations

Hanna Sepsick, DMD
Dr. Hanna Sepsick provides high-quality, patient-centered dental care focused on helping patients achieve healthy, confident smiles. With a background in biomedical engineering and dentistry, she brings a technology-focused approach to care while prioritizing individualized treatment plans.
Dr. Sepsick earned her Bachelor of Science in Biomedical Engineering from Georgia Institute of Technology, graduating with high honors in 2021 after completing the program in three years. She then worked as a Product Development Engineer at a biotechnology company before earning her Doctor of Dental Medicine (DMD) degree from the University of Alabama at Birmingham School of Dentistry in 2026.
During dental school, Dr. Sepsick was actively involved in research across multiple specialties, including biomaterials, orthodontics, endodontics, and oral and maxillofacial surgery, contributing to several peer-reviewed publications and national conference presentations.
Outside of dentistry, she enjoys staying active through volleyball and tennis, hiking with her dogs, traveling, reading, exploring new coffee shops, and spending time with family. Having grown up in the area, Dr. Sepsick is proud to serve the community she calls home.
Education
Bachelor of Science
- Georgia Institute of Technology
Doctorate of Dental Medicine
- University of Alabama at Birmingham