Our Staff

Janice Gaw – Registered Dental Hygienist

Janice has worked in dentistry for the last 25 years. She grew up in Kansas City, Missouri and then moved to Nashville where she graduated from Hillsboro High School. Janice earned a Bachelor of Science degree in Nutrition from David Lipscomb University in 1974, and an Associate of Science degree in Dental Hygiene from TSU/ MeHarry in 1991. Every year she attends continuing education courses to further her knowledge in the dental field.

Janice is happy to be able to work alongside her husband, Dr. Ted Gaw. They reside in Jackson County and have three grown sons and 2 grandchildren. She enjoys reading, shopping, and being with her church family at Zion Church of Christ. She is also a cat lover. Ask her how many she has!




Tammy Tucker – Registered Dental Hygienist

Tammy Tucker is the daughter of the late Hobert and Lois Smith of Jackson County.  She graduated from JCHS in 1982. She began working for Dr. Gaw in 1980 and later became a registered Dental Assistant.  She attended Tennessee Tech University as well as Tennessee State University, earning her Associate Degree in Dental Hygiene in 1991.  She earned her Bachelor of Science Degree in Dental Hygiene in December 2011 from Tennessee State University.

Tammy is married to Wayne Tucker. She is the mother of three children: Blake, Hope, and Austin.  She has a daughter-in-law, Crystal, and two granddaughters, Chloe and Hadley.  Her interests include spending time with family, traveling, and running.  As a runner, she has logged many miles, completing one full marathon, sixteen half marathons, and various other 10k and 5k races throughout different states.

Tammy and her husband attend Collegeside Church of Christ.  She states that God has blessed her life richly by providing her with good health to enjoy her hobbies as well as providing a Christian work environment with a friendly, supportive, and caring staff.



Lisa Garrison – Expanded Function Dental Assistant

Lisa has been employed at our office since 2001. She received her license as a Registered Dental Assistant in 2003 from TN Technology Center in Livingston. She is also certified in nitrous oxide monitoring and coronal polishing. In 2010, Lisa completed the certification for Expanded Functions for Dental Auxiliary from TSU/ MeHarry. She also completes continuing education classes each year to further her development in the dental field.

Lisa and her husband Larry live in Cookeville. They have two grown children, Cody and Cayla. They enjoy camping, boating, and spending time together with their extended family. They attend Freewill Church of Christ.




Lisa Byrne- Office Manager

Lisa came to work in our office in 2004. Lisa is a Cookeville native and graduated from Cookeville High School. Following high school, she received her certification as a Licensed Practical Nurse. She enjoys meeting people and making new friends.

Lisa lives in Cookeville with her husband, Mike. They have two grown sons. She enjoys reading, singing, being with friends and family, spending time outdoors, and playing with their dog, Bowser. Lisa is a member of Holladay Church of Christ.






Sarah Gaw – Expanded Function Dental Assistant

Sarah began working in our office in November 2006 as a dental assistant. She received her expanded functions certification in 2012 from UT Memphis.








Michelle Sullivan – Receptionist

 Michelle came to work in our office in February 2016. She is the first smiling face you will see when you come in our office. Michelle is proud to have had the opportunity to work with several non-profit organizations that serve our local communities, such as Alzheimer’s Tennessee, and the Putnam County YMCA.

Michelle enjoys spending time with her family and friends and her Zion Church family.




Nedra Bishop – Dental Assistant

 Nedra started working at our office in July 2016. She has been a dental assistant for 8 years. She and her husband, Bob, moved to Tennessee from California, along with their three grown children. Two of her children attend Harding University.

Nedra and her family attend Flynn’s Creek Church of Christ. She enjoys spending time with family.