Our Team

Georgene – Office Manager

Georgene has worked in the dental field for over 45 years.  She loves all aspects of dentistry, but especially meeting and helping people.

When not at work she can be found on their homestead farm with her husband John or spending time with their six grandchildren.


millerKathy – Insurance Coordinator

A native of Chicago, Kathy worked in the optical field for 19 years prior to changing career paths. She worked as a Dental Appointment Coordinator for 7 years, where she enjoyed learning the field of Dentistry and the positive impact a healthy smile could make in a person’s life.

Kathy and her husband Gary relocated to Door County in 2004, where she started working at Northern Door Dental. She is delighted to be a part of Dr. Sledge’s team at Dentistry by Design where she gets to utilize her skills and serve the community. Kathy has now been in the dental field for over 23 years and is still excited to see patients leave with happy, healthy smiles.

In her free time, Kathy enjoys traveling with her husband to visit their daughter and son-in-law in Florida, especially in the deep of winter! She also enjoys reading, working on home projects and watching sunsets at the Sister Bay Marina.

heathergreene_webHeather – Dental Hygienist

Heather has been a Dental Hygienist for over 15 years.  She enjoys working with children and helping all her patients have a great dental experience. Heather is happy to be working with Dr. Sledge and the rest of the team at Dentistry by Design.

Heather lives in northern Door County with her husband, David, and three children.  She enjoys the outdoors, running, and teaching fitness classes at the YMCA.

Shelby – Dental Assistant

Shelby was born in Neenah, Wisconsin and lived in the Fox Valley area until September 2017.  She, along with her husband and two children, moved to Baileys Harbor to take over a family business.  

Shelby studied Dental Assisting at Fox Valley Technical School and graduated with honors in 2016.  Prior to dental assisting she had 18 years of customer service experience.  She loves seeing people smile and is excited to continue providing great customer service, but in a new way.