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 her homestead farm with family and spending time with her 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.

Mary RogersMary – Insurance/Scheduling Coordinator 

Mary is a friendly face at the front desk.  She has been in the dental field for over 30 years. She joined the Dentistry by Design team in 2020 as an Insurance and Scheduling Coordinator. Mary enjoys helping patients navigate through the business process in a friendly and professional manner and to see that all their dental needs are met.

In her free time, Mary enjoys remodeling her log cabin, summer days on the water, and spending precious time with her loved ones and her dog Honey! Mary loves coming to work knowing she is part of a family atmosphere from the wonderful, caring staff to the amazing patients and families.  

She is happy to call Door County her home!


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.


Gina- Dental Hygienist

Gina is a 2000 graduate of the University of Minnesota Twin Cities, Bachelor of Science program in Dental Hygiene. She has been practicing as a licensed dental hygienist for the last 20 years in the Green Bay and Lakeshore areas. Gina enjoys meeting and talking with people. She takes pride in making the dental hygiene experience, not only educational and thorough, but fun.

Gina lives in rural Sturgeon Bay with her husband John and their three daughters. She enjoys spending time with her family, her animals, gardening, listening to music, hiking           and anytime spent outdoors in the sun.


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.