Our Staff

Vonni KnutsonVonni Knutson

Vonni Knutson has been a pivotal part of Reardon Dental Health since 1989 when she joined the team as a Registered Dental Hygienist. Vonni feels blessed to be part of such a family-focused, health-centered practice. In her spare time, Vonni is involved in the activities of her church and she enjoys participating in her local community theatre productions. A native of Mitchell, South Dakota, Vonni and her husband, Steve, live near Centerville, South Dakota.

Theresa DyerTheresa Dyer

Theresa Dyer has rejoined the Reardon Dental Health team after receiving an Associate Degree in Medical Assisting through Globe University. She is an Army veteran who proudly served 20 years in the National Guard. Theresa resides in Hartford, South Dakota where she and Mike Anderson run their angus ranch. Theresa is excited to be back in the dental profession assisting Drs. Gayle and Katie and serving our patients.

Donna KnutsonDonna Knutson

Donna Knutson has extensive experience in the dental profession. She has worked as a dental assistant and receptionist but has most recently been an office manager in general dentistry, pediatric dentistry, orthodontics and oral surgery. Donna is a Certified Dental Business Manager and is also a member of the National Association of Dental Assistants, the American Association of Dental Office Managers and an allied staff member of the South Dakota Dental Association. Donna and her husband Russ live in Harrisburg, South Dakota. They have two married children and three grandchildren. In her free time, Donna enjoys spending time with family, gardening and landscaping, and baking.