Trustworthy. Empathetic. Efficient. Invested.

At Demko Orthodontics, we want patients to feel at ease when they walk into our office. Our team is experienced, accessible and authentic, and they will take your treatment as seriously as you do.

Dr. Demko hand picks and cross trains her entire staff, resulting in an extremely informed, well-versed, and capable team that can address all patient needs and questions. Because of their talent, passion, and synergy, the Demko team is ready and able to handle all orthodontics issues, no matter how challenging they may be.

Chesterfield Location

Lynn Hager – Treatment Coordinator

Lynn joined Demko Orthodontics May 2019 with over 30 years of orthodontic experience. She loves interacting with new patients providing a friendly and comfortable experience for them. There’s nothing more rewarding to Lynn than seeing the blossom of a confident smile.

Outside of Demko Orthodontics, she loves cheering her youngest daughter in her many sports. Lynn enjoys the great outdoors, movies, gardening and traveling. Her husband and 2 daughters keep her busy and she wouldn’t have it any other way.

St. Charles Location

Nicole Heater – Patient Coordinator

Nicole HeaterNicole joined the Demko Orthodontics team in February of 2014, first as a clinical assistant and now as a patient coordinator.

Nicole loves working at Demko, because she gets to interact with amazing patients whose smile always light up a room.

Nicole loves spending her time with her husband Joel and their two sons Max & Isaac. She also enjoys playing volleyball and watching Blues hockey.


Washington Location

Kerry DeJesus – Treatment Coordinator

Kerry DeJesusKerry has worked for Dr. Demko for more than 16 years. She started out as clinical assistant, then patient coordinator, now as treatment coordinator. She enjoys getting to know the patients and families of the practice. She says she loves watching the kids of the practice grow up.

Kerry and her husband, Mike are the proud parents of a 11 yr old son, Seth and twin 7 yr. old boys, Colin and Caden. She works hard to keep her sanity by drinking hot tea, doing puzzles, playing with her 5 cats, and goofing off  with her family.  She recently moved into a fixer upper and has fixing up the house with her husband and sons. 

Sydni Filla – Patient Coordinator

Sydni Gaddy

Sydni joined Demko in July 2014. When not helping the Demko family create memorable smiles, Sydni likes to be creative on her own by crocheting or crafting.

You can often find Sydni out on weekends with her husband Nick watching their daughter, Kaitlyn, play soccer or basketball, or just enjoying family time barbecuing, playing games, or shopping.



Clinical Team

Debbie Skelton

Debbie Skelton

Debbie has been with Demko Orthodontics since January 2003. She has been in the dental field most of her working  years and in the orthodontics for 25 years. She is a clinical assistant and a lab technician.

Debbie is married and loves to spend time with her family, most of all with the grand kids., she loves to work in the garden and for quiet time loves to sit and read a good book.


Travis Dickens

Travis started as an intern in our Washington office in January 2016. He began as a clinical assistant in November 2016. Travis loves working with our patients and bringing out their best smile.

In his spare time, you can find him playing golf with his grandfather or spending time with his family and close friends.

Stacy Orphan-Vasquez

Stacy joined the Demko team October 2018.

Luke Zimmermann

Luke joined Demko Orthodontics August 2019. He loves working at Demko as he gets to help people enjoy their smile.

As an Ole Miss Alumni, Luke loves spending time watching Ole Miss sports and playing with his puppy, Luna. He plans to go on to dental school and become an orthodontist himself in the near future.