Dr. Arianna Lowney

Fuquay-Varina

Dr. Arianna Lowney is originally from a small coastal town in Rhode Island and recently moved from the West Village in New York City. She graduated with a Bachelors of Science in Biology from Boston College and received her Doctor of Dental Surgery with academic honors from University at Buffalo School of Dental Medicine. She continued her education at Mount Sinai Hospital in New York City where she completed her residency in General Dentistry.

She loves to give back to her community and provide medical and dental care to underserved regions of the world. She has participated in medical brigades to Jeremie Haiti, Riobamba, Ecuador, Lima, Peru, Cusco, Peru and Grundy, Virginia. She also volunteered at Samaritans on their 24/7 suicide prevention helpline. She not only values the importance of oral health for its role in our overall physical well-being, but also for its positive impact on mental health. She is looking forward to building meaningful and trusting relationships with her patients!

When not practicing dentistry, she loves spending time with her family on the boat and traveling the world. She enjoys all activities that involve the ocean, including sailing and paddle boarding. You can find Dr. Lowney cycling around Raleigh, trying new restaurants, and exploring different workout studios.

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Andrew Callender

Andrew Callender

Regional Director of Operations

Andrew Callender was born and raised in Denver, Colorado, and serves as one of our Regional Directors of Operations at CarolinasDentist, focusing on our Western NC and Charlotte regions. He joined the leadership team in 2025 and earned his degree from Western Colorado University. Andrew brings over 12 years of experience in dentistry, including more than 10 years of progressive leadership in healthcare operations and three years serving as a Regional Director of Operations. He relocated to North Carolina in 2023 and has quickly made an impact across the region.

Andrew is passionate about delivering outstanding patient care through operational excellence. He is committed to fostering an environment that aligns with CarolinasDentist’s values and culture while leveraging diverse perspectives and experiences to support team success and growth. His leadership style is rooted in collaboration, consistency, and continuous improvement.

Outside of work, Andrew enjoys spending time with his wife and their four children. He’s an avid golfer and also enjoys walking his lab, Harper—making the most of his time outdoors with family and fresh air.

Nate Bunyak

Nate Bunyak

Regional Director of Operations

Nate Bunyak brings a little bit of Pittsburgh grit and a whole lot of energy to everything he does. He is one of the Regional Director of Operations at CarolinasDentist focusing on our Triangle region, joining the team in 2026. Originally from Pittsburgh, PA, Nate graduated from Indiana University of Pennsylvania (IUP) with a degree in Marketing and Management—and has been putting both to work ever since. Three years ago, he traded in steel city winters for North Carolina sunshine—and hasn’t looked back.

When he’s not working, Nate is all about family life with his wife, Melissa, and their three kids—Bryce, Molly, and Connor. Whether cheering on their activities, exploring the outdoors, or simply embracing the joyful chaos of a busy household, he makes the most of every moment with his family.

An avid hiker and nature enthusiast, Nate loves adventures that combine fresh air, beautiful views, and lasting memories. That same adventurous, positive spirit carries into his work—he’s driven, all-in, and always ready to take on what’s next.

Jenna Holland

Jenna Holland

Regional Hygiene Director

Jenna Holland is a Fayetteville native and serves as Regional Hygiene Director, joining the leadership team in 2026. She began her career with CarolinasDentist in June 2016 as a dental hygienist in the Fayetteville office after graduating from Fayetteville Technical Community College. Over the years, she has grown within the organization, building strong relationships with both patients and team members while staying rooted in her passion for patient care.

Jenna is deeply committed to promoting overall well-being through oral health and believes in the powerful connection between a healthy smile and a healthy body. In her leadership role, she especially loves mentoring and coaching hygienists, helping them grow in confidence, strengthen their clinical skills, and develop into exceptional providers. She takes pride in supporting her team and fostering an environment of continuous learning and encouragement.

Her best advice for patients is simple: stay consistent with routine check-ups and cleanings to maintain optimal health. Outside of the office, Jenna enjoys traveling—especially to warm, tropical destinations—and is engaged to her high school sweetheart, adding a personal touch to her passion for caring for others.

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