Meet the doctors
Two experienced orthodontists, one hometown team. Dr. Aaron Williams is leading Siouxland Orthodontics forward, and Dr. Daniel Kaler continues to see patients after more than 30 years of caring for local families.
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Dr. Aaron Williams
Dr. Williams earned his DDS from the University of Iowa in 2010, then completed orthodontic specialty training and a master’s degree at the University of Colorado in 2013. He also holds an MBA. An orthodontic specialist with more than ten years in practice, he and his wife, Laura, are raising five kids and putting down roots in Siouxland.
As the owner of Siouxland Orthodontics, Dr. Williams is building on three decades of trusted local care with modern technology and a personal, plain-language approach.
Why families choose Siouxland OrthodonticsDr. Daniel Kaler
Dr. Kaler has cared for Siouxland families since returning home to Sioux City in 1990, and generations of local patients know his name. A native of Sergeant Bluff, he earned his Bachelor of Science at the University of South Dakota, his Doctor of Dental Surgery at the University of Iowa, and his orthodontic certification at Oregon Health Sciences University.
He is a member of the American Association of Orthodontists, the American Dental Association, the Iowa Dental Association, and the Iowa Society of Orthodontists, and a past president of the Sioux City Dental Society. Away from the office, he is married with three sons and enjoys collecting John Deere tractors.
Dr. Kaler continues to see patients as part of the Siouxland Orthodontics care team, bringing more than three decades of experience to every smile.
One team, shared standards
Care that feels personal. Every visit.
Doctors who learn your name, remember your story, and personally guide your treatment from start to finish.