Meet The Doctors

Dr. Courtney Dembiec, DDS

Dr. Dembiec is originally from Racine, Wisconsin but she also lived in Virginia and Georgia while growing up. She went to the University of Wisconsin – Madison for her undergraduate studies and received her dental degree from the University of Michigan. She and her husband, Chris, have a little girl, Harper, and a little boy, Graham, that keep them very busy. When time allows, they love any outdoor activities including biking, running, and hiking. They also enjoy spending time visiting their families and traveling as much as possible.

Dr. Michelle Stewart, DDS

Dr. Stewart is also a native Minnesota resident. She did live in Iowa for some time where she received her degree from the University of Iowa. She practiced in the Twin Cities for two years prior to relocating to Winona to join River Hills Dental in 2004. She and her husband Dave have three children, Maren, Gabriel and Samuel. She enjoys spending time with her family and when time allows, she is an avid scrap booker and sports fan.

Dr. Andrew Geislinger, DDS

Dr. Geislinger was raised in Grand Rapids, Minnesota. He attended Winona State University to obtain his undergraduate degree. He also played baseball for the Warriors and met his wife, Stephanie, a Warrior gymnast. They have a daughter named Avery. He and Stephanie are thrilled to be back to in the Winona community! In his spare time, Andrew enjoys spending time with his family, hunting, fishing, golfing, and coaching youth sports.  Andrew graduated from Creighton University in Omaha, NE. While at Creighton, he received the Department of General Dentistry Award. This award is given to seniors who demonstrate outstanding clinical skills while providing compassionate care in a thorough and professional manner. Dr. Gesilinger is excited about all aspects of dentistry, but he is very interested in Oral Surgery, especially extractions and implant placement. He hopes to attain his fellowship with the AAID in the coming years. With this advanced education, he is excited and ready to serve our patients.