Dental Team

Meet Our Team At Denmark Family Dentistry!

The brief descriptions below are designed to familiarize you with our team's training, professional credentials and work experience.

  • George T. O'Hearn, D.D.S.

    Dr. George O'Hearn was born in Madison Wisconsin and moved to Green Bay shortly after. He attended Green Bay East High School. Dr. O'Hearn graduated from the University of Green Bay with a Bachelor in Science in Human Adaptability. In 1986 he earned his Doctorate of Dental Surgery from the University Of Minnesota School Of Dentistry. Following graduation, Dr. O'Hearn began practicing dentistry in Denmark in 1986.

    After gaining 18 years of experience in his field, Dr. O'Hearn founded Denmark Family Dentistry in 2004. He continued to practice high-quality dentistry, build community relationships and patient trust at the newfound location. In 2005 Dr. Kittell gladly joined him at the current location they practice today where they carry on the same values Dr. O'Hearn set from his solo practice that began in 1986.

    Dr. O'Hearn is a member of the American Dental Association, the Wisconsin Dental Association, and the Brown-Door-Kewaunee Dental Association. Throughout the year Dr. O'Hearn attends numerous continuing education courses and is also a member of the Mackinaw’s Dental Club, Denmark Lions Club, and the Green Bay YMCA Y's Men's Club. When Dr. O'Hearn is not at the office he enjoys spending time and traveling with family, including his two grandsons and his two adult children, Murphy who resides in Dedham,MA, and Nellie who resides in Kernersville, NC. Additionally, he enjoys many outdoor activities and volunteering for the Green Bay YMCA camping services.

  • Sheila M. Kittell, D.D.S.

    Dr. Sheila Kittell was born and raised in the Denmark area. She attended All Saints Catholic grade school and Denmark High School. Dr. Kittell graduated from Marquette University with a Bachelor of Science degree in Dental Hygiene. In 2005, she earned her Doctor of Dental Science degree from Marquette University School of Dentistry; graduating Cum Laude. Upon graduation, she returned to the Denmark area and joined Denmark Family Dentistry.

    Dr. Kittell truly enjoys general dentistry and finds it rewarding to get to know her patients and their families. She takes pride in educating patients so that they are able to make informed decisions regarding their treatment and oral health. Throughout the year Dr. Kittell actively participates in continuing education courses and attends seminars and study clubs. Additionally, she is a member of the American Dental Association, the Wisconsin Dental Association, Brown-Door-Kewaunee Dental Association, and the Greater Green Bay Women's Dental Society.

    When Dr. Kittell is not at the office she is busy at home with her husband Jason and their two children, Amber and Brady. She also enjoys traveling, watching sports, spending time with her children and going for walks with her Goldendoodle, Brittney.

  • Wendy
    Office Manager

    Wendy is the office manager and has been a part of this wonderful dental team for over twenty-five years. Through the years she has enjoyed getting to know our patients and help provide them with the care and knowledge they deserve.

    When Wendy is not at work she enjoys spending time with her family and pets.

  • Missi

    Missi joined our team in July of 2018, as our receptionist. She enjoys helping our patients and getting to know them and their families. She and her husband came to the area about 19 years ago and have two children.

    In her free time, Missi enjoys spending time with her family and friends. She also loves watching her children play sports, fishing, swimming, and spending time around the campfire.

  • Maggie

    Maggie joined our reception team at the beginning of 2023.  She was raised in the Denmark area and enjoys seeing familiar faces in the office and meeting new ones.

    During her time away from work, Maggie is busy with her two dogs, Brandy and Otis, and enjoys motorcycle rides with her husband during the warm months and downhill skiing in the winter.

  • Megan
    Dental Hygienist /Dental Assistant

    Megan graduated from the Dental Assistant Program at Northeast Wisconsin Technical College in 2015 and joined us as a Certified Dental Assistant in June of 2017. Megan continued her education while with us and graduated from the Dental Hygiene Program at Northeast Wisconsin Technical College in May of 2019. Currently, she is performing both roles as a certified Dental Assistant and Hygienist.

    When not in the office, Megan enjoys spending time with family and friends, going up north, hunting, fishing, trap shooting, and playing with her three dogs, Trigger Maverick and Milo.

  • Bre
    Dental Hygienist

    Bre graduated from the Dental Hygiene program at Northeast Wisconsin Technical College in 2018. Prior to her hygiene career, Bre was a dental assistant for 5 years, with her primary background in pediatric dental care. She has enjoyed expanding her knowledge to include the entire dental population since she graduated from hygiene school. 

    Bre enjoys spending time with her family outside of work. Her free time is busy with toddler activities and 'mom things'.  Bre and her husband enjoy taking motorcycle rides together when they get the chance!

  • Jenny
    Dental Hygienist

    Jenny graduated from the Dental Hygiene Program at Northeast Wisconsin Technical College in 2010, and joined Denmark Family Dentistry in July 2011. Jenny enjoys her profession and strives to provide the best care for each patient.

    In her free time, Jenny enjoys traveling swimming, running and spending time with family and friends.

  • Michelle
    Dental Hygienist

    Originally from Utah, I grew up in the small town of Price. I studied dental hygiene in St. George, Utah at Dixie State University. I just moved to Wisconsin from Colorado and I love it!

    I enjoy getting outside, walking, hiking, and running. I also enjoy reading and cooking and spending time with my dogs. I am very excited to be here and look forward to meeting all the patients at Denmark Family Dentistry.

  • Lacie
    Dental Assistant

    Lacie graduated from Mishicot High School and completed the Dental Assistant Program at Lakeshore Technical College in 2010, joining Denmark Family Dentistry in December of the same year. She then continued her education, becoming a Certified Dental Assistant in November 2014. Lacie enjoys working with our patients while providing a comfortable and welcoming dental experience.

    When not at the office, Lacie enjoys spending time with her husband, two boys and dog. She enjoys the warm months watching her boys sporting events, camping, and being up north.

  • Erin
    Dental Assistant

    Erin graduated from the Dental Assistant Program at NWTC in May of 2018, becoming a Certified Dental Assistant. While in the assisting program, she affiliated at Denmark Family Dentistry for three weeks. After graduation, Erin joined our practice full time. She enjoys getting to know our patients and helping to provide a comfortable dental experience.

    In her free time, Erin enjoys spending time with her family, friends and her four dogs. She also enjoys deer and pheasant hunting, fishing, shooting archery, shopping, going to truck and tractor pulls and visiting Door County.

  • Mikayla
    Dental Assistant

    Mikayla graduated with honors from the Dental Assistant Program at Northeast Wisconsin Technical College May of 2020. Throughout the program Mikayla completed her affiliation at Denmark Family Dentistry, and started working full time upon graduation. In August of 2020 she completed her education becoming a Certified Dental Assistant.

    Mikayla enjoys riding her horse Apollo, walking her dogs Diesel and Chimeree, camping and spending time with her family.

  • Lisa
    Dental Assistant

    Lisa graduated from Northeast Wisconsin Technical College in December of 2023, becoming a Certified Dental Assistant.

    Lisa enjoys spending time with her family, friends, and her dogs. She also enjoys downhill skiing during the winter, and kayaking in the warm months.

Our Location

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Hours of Operation

Our Regular Schedule


8:00 am-5:00 pm


8:00 am-5:00 pm


8:00 am-2:00 pm


8:00 am-5:00 pm


8:00 am-2:00 pm





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