Our Staff




Brenda Serrano is a passionate and eager assistant. She’s here to make your visits to our offices a comfortable and easy going experience. Brenda enjoys getting to know our patients and working with them. Her outgoing personality makes our patients feel welcome, while putting them at ease as she answers any questions you might have regarding treatment consents or procedures within her purview. Brenda received her Dental Assistant Diploma from Georgia School of Dental Assisting, and is a Nationally Certified Dental Assistant. She is originally from Washington State, but has lived in Cumming, GA for the past 20 plus years. When Brenda is not working she enjoys spending time with her two beautiful children. She also enjoys going to the beach and traveling, she hopes to one day visit Australia & Fiji.



Sara is a direct and passionate Registered Dental Hygienist. She is fervent about health and wellness and enjoys helping her patients improve their health. Sara is a Registered Dental Hygienist with 18 plus years of experience. She received her Bachelor of Science in Dental Hygiene at the University of Michigan in 1999, and recently completed her Master's in Public Health Informatics at Emory University in 2017. Sara enjoys trying new restaurants, spending time with family and friends, and continuing her education in oral health and public health.


Sandra Michael - Lead Dental Assistant - Duluth

Sandra Michael is a compassionate and dedicated assistant. She is here to make your visits to our office a smooth and worry-free experience. Sandra enjoys assisting patients in achieving the smile of their dreams. She works closely with our Orthodontics patients to make their monthly visits to change wires and elastics a quick and painless experience. In her free time she enjoys spending time with her firefighter husband and dog Luke, whom she affectionately calls Lukey. She also enjoys reading and gardening.


Clara I. Matos - Practice Manager - Duluth

Bio Coming Soon...



Stephanie Arroyave-Gomez is a bright and ambitious practice manager. She joined the team in 2016 as a Treatment Coordinator and Insurance Specialist looking to make a difference. Through hard work and dedication she rose through the ranks and became the practice manager to our Cumming location, in under a year. Stephanie is here to help you in any way and make sure that you have the best experience possible. She strives to show you, the patient, that our number one priority is helping you achieve the best oral and cosmetic help we can provide. If you have any suggestions or concerns she is here to hear how we can improve. Stephanie has a dual bachelor’s degree in Psychology and Sociology, which she received from Georgia Southwestern State University in 2012. She will be receiving her third Bachelors in Health Care Management, December 2017, from Clayton State University. In her spare time Stephanie enjoys reading, catching up on her shows, spending time with family and friends, going to the movies, and traveling. She hopes to one day visit Italy.


Ligita Lizuniene - Lead Registered Dental Hygienist - Duluth

Bio Coming Soon...


Chayanne - Patient/Treatment Coordinator & Insurance Specialist

Chayanne Carter is the newest addition to the Nukoa team. She enjoys helping patients understand their dental financial options while helping them get the most out of their yearly insurance benefits. Chayanne looks forward to helping the patient get their most confident smile. Growing up biracial, half Venezuelan and half American, she learned to speak Spanish fluently and has grown to love languages. Chayanne studied Latin, French, and even a bit of Swedish. She has now set a goal to learn Korean as well. Currently, she is a full time student at Georgia State University pursuing a degree in Communications. In her free time she enjoys spending time with her family, friends, and boyfriend as well as doing anything crafty like making jewelry, arm knitting or stitching felt figures.

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