Our Staff

At Dentistry by Design we strive to maintain the highest level of professional credentials and pursue ongoing education to stay ahead of the latest trends in dentistry.

Dr. Timothy S Tweedy

Dr. Tweedy was born and raised in Winona, Minnesota.  He received a degree in biology from Gustavus Adolphus College in 1996.  He attended Marquette University School of Dentistry were he received his DDS in 2000.  Upon graduating from Marquette, Dr. Tweedy spent the next three years in the United States Navy where he received extensive training in oral surgery, endodontics (root canals), and implant dentistry.  In 2003 Dr. Tweedy and his wife moved to Neenah and joined Dentistry By Design Ltd.

At this time Dr. Tweedy is an active member of the American Dental Association, Wisconsin Dental Association, Winnebago County Dental Association, and the International Association for Orthodontics.  He has special interests in implant dentistry, oral surgery, CEREC dentistry, endodontics, and orthodontics.  He volunteers his time providing free dentistry at the Tri-County Community Dental Clinic.

Dr. Tweedy is married to his wife Tiffany and has three children.  In his spare time he enjoys spending quality time with his family, hunting, fishing, and enjoying the outdoors.

Dr. Tiffany J Tweedy

Dr. Tweedy was born in Edina, Minnesota and raised in Hutchinson, Minnesota.  She graduated with high honors from the University of  Notre Dame in 1998.  She attended Marquette University School of Dentistry where she received her DDS in 2002.  Upon graduating from Marquette, Dr. Tweedy spent time treating patients in Milwaukee and Wautoma before moving to Neenah and joining Dentistry By Design Ltd. in 2003.

She has received extensive training in cosmetic dentistry from the Las Vegas Institute (LVI). 

Currently, Dr. Tweedy is an active member of the American Dental Association, Wisconsin Dental Association, and Winnebago County Dental Association.  She has special interests in cosmetic dentistry, CEREC restorations, family dentistry, and helping children.

Dr. Tweedy is married to her husband Timothy and has three children.  In her spare time she enjoys spending quality time with her family as well as running, and tennis.