Your Central Florida Experts in Smile Transformation
At Dietrich & Kelso Orthodontics, our experts have the knowledge and experience necessary to give you the smile of your dreams. Get to know more about our doctors before your first visit.

Dr. Andrew Dietrich
Dr. Andrew Dietrich aims to provide an unforgettable experience and an exceptional outcome to each patient in our orthodontic family. Since starting his professional career in 2009, he has maintained a tradition of outstanding orthodontic care.

Dr. Andrew Kelso
Dr. Andrew Kelso is committed to providing high-quality, compassionate care to all his patients. He enjoys working with adults and children from different backgrounds to create life-changing confidence and smiles.
Dr. Anthony Travagliato
Dr. Anthony Travagliato prides himself on delivering excellent care while maintaining a fun and positive experience for his patients. He feels very fortunate to be able to have such a tremendous impact on the lives of his patients, as well as their families.
Dr. Timothy Ellis
Dr. Timothy Ellis is committed to providing his patients with excellent orthodontic treatment in a warm and caring atmosphere. For nearly 30 years, he delivered the highest quality treatment to Polk County, and he is excited to be back!
Dr. Timothy Dixon
Dr. Timothy Dixon is dedicated to providing high-quality compassionate care to all of his patients. He enjoys working with adults and children from different backgrounds to create life-changing confidence and smiles.
Dr. Derry Agnini
Dr. Agnini specializes in adult, teen and child orthodontics including early, interceptive treatment, traditional treatment with metal and clear braces and Invisalign.
Dr. Sierra Zarate
Dr. Zarate has a passion for building lasting relationships with her patients and their families while providing them with the highest quality treatment. Whether treating children, adolescents, or adults, she approaches each case with a personalized touch, tailoring treatment plans to meet individual needs and preferences.
Dr. Stephanie Cornejo
Dr. Stephanie Arrouet Cornejo is an orthodontic specialist with over 25 years of experience owning and operating her own private orthodontic practice in Winter Haven. With a deep love for creating beautiful smiles and uplifting her patients' self-confidence, Dr. Cornejo finds immense joy in the friendships she builds with each patient and their families.
Dr. Ken Stephen
Dr. Ken was born and raised in Cleveland, Ohio, where his passion for orthodontics started early. His mom has been a treatment coordinator at an orthodontic office for over 20 years, so he grew up immersed in the world of smiles and braces. Seeing firsthand how orthodontics can truly change lives, he knew from a young age that this was the path for him. Today, Dr. Ken is committed to creating a welcoming and comfortable experience for both patients and parents.