our team
Chris W. Campbell, DMD
Dr. Campbell is a native of Columbia, SC and a graduate of Wake Forest University (1994) and the Medical University of South Carolina School of Dentistry (1998). Following dental school, he completed a General Practice Residency at Palmetto Richland Memorial Hospital in Columbia, SC. He has trained at the Dawson Institute, the Pankey Institute, and the Seattle Institute for Advanced Dental Education. Dr. Campbell is a part-time faculty member at Palmetto Health Richland Department of Dentistry and is a past-President for the Greater Columbia Dental Association. He is also the founder and chairman of the Enoree River Study Club. He is a fellow in the American College of Dentists, the youngest in South Carolina history. Dr. Campbell has lectured throughout the country on the use of photography in dentistry, ethics in dentistry, and esthetic and restorative dentistry. He has been published in numerous journals and serves as a key opinion leader for Dentsply-Sirona, one of the largest dental companies in the world.
Dr. Campbell’s hobbies include music, computers, cooking on his big green egg, and a never-ending fruitless quest to become a “scratch” golfer. Dr. Campbell is an unapologetic South Carolina Gamecock and Wake Forest Demon Deacon fan.
Calli Chandler, CDA
Calli is a native of Lexington, SC and a 2009 graduate of Lexington High School. She attended Midlands Technical College and graduated in 2012 from the Expanded Duty Dental Assisting Program. Calli happily joined our team in September of 2018. She met her husband while in high school and they married in 2015. They live in Lexington with their son (Reece), daughter (Rowan) and dog (Riggs). Calli enjoys spending time with her family and friends, shopping and going to the beach.
Le Ann Crowe
Le Ann was born and raised in Columbia, SC, and she graduated from Lower Richland High School in 1979. LeAnn worked in dentistry for ten years before joining our team in 2007. In October of 1989, she married Randy Crowe from Athens, Georgia. LeAnn and Randy have four children: David, Joshua, Charlotte and Rebecca as well as a dog named Luci. LeAnn enjoys shopping, traveling, and spending time with her family and friends. Her favorite sport is football, and she is A BIG GAMECOCK FAN!!
Stephanie Cunningham, CDA
Native to Lexington, SC, Stephanie is a 2001 graduate of Lexington High School as well as a 2004 graduate of the Expanded Duty Dental Assisting program at Midlands Technical College. She was an assistant to Dr. Campbell for eight years before leaving in 2011 to pursue a career in nursing. After realizing that she missed dentistry, as well as the patients and team members she had come to know as family, she returned to in May of 2014 as Dr. Campbell's primary assistant. Stephanie lives in Lexington with her husband (and high school sweetheart) David and their three sons (Harper, Lincoln, and Maxwell). In her free time, she stays busy keeping up with her sons, shopping, crafting, and spending time with friends and family.
Nikki Aun, RDH
Nikki is a native of Lexington, SC where she was homeschooled and graduated in 2010. She starting working in dentistry as an orthodontic assistant when she was 18 and fell in love with the field of dentistry. After working as an assistant for 6 years she got her Associates at Midlands Technical College and graduated in 2019. After graduation, Nikki practiced hygiene for 5 years in a local private practice before joining the team at Five Towers in the Spring of 2024. Nikki resides in her hometown with her husband JohnMichael and her two doodles, Ember and Saylor. She enjoys relaxing on her free time with her family, spending time in the Upstate with her sister, binge watching Netflix and time outdoors with her dogs.
Michelle Johnson, CDA
Michelle was born and raised in the Columbia area, and she joined PDA in September 2011. After graduating from Gilbert High School, Michelle travelled for three years before returning back to SC to continue her education at Midland’s Technical College. Michelle has been in dentistry for over 20 years and brings a vast amount of experience in multiple dental specialties to our office. She has two beautiful teenage daughters and a young son. In her free time, she enjoys gardening, painting, 5K walks for charity, and spending time with family and friends.
Sarah Griffith, RDH
Sarah was born and raised in Lexington, SC. She graduated from Midlands Technical College in 2024 with an Associate’s degree in Dental Hygiene. She is a former president of the South Carolina Student Dental Hygiene Association, and she received the 2024 Mary M. Clary Award for Dental Hygienist of the Year. She is a member of the American Dental Hygienists’ Association. Sarah was a dental assistant for 6 years at a periodontal practice before joining our team at Five Towers. She focuses on providing personalized treatment that is tailored to meet the specific needs of each individual patient. Outside of the office, she enjoys hiking with her husband, Trevor, and their two rescue dogs, and is a proud cat mom of three cats.