Meet Our Team

One Big Happy Family!

Office Manager

Mary has been a patient of Dr. Tyree's since 1996 and became an employee in 2002. She spends her time taking care of the day to day business of the office and helping patients coordinate their dental treatment. Mary proudly serves on the steering committee for the Austin chapter of the American Association of Dental Office Managers.

Born and raised in Iowa, Mary moved to Austin in 1984 where she met and married her wonderful husband and quickly became a Longhorn fan. When not in the office, she loves spending time with her husband, her two amazing sons and family and friends.



Dorothy grew up in south Texas and graduated as a Dental Hygienist from the University of Texas Health and Science Center of San Antonio in 1997. Dorothy is a Registered Dental Hygienist with the Texas State Board of Dental Examiners. After moving to Austin, she joined Dr. Tyree's practice in 1999. When she is not treating patients, she enjoys having her every need catered to and lounging. Dorothy also enjoys spending time with her fabulous husband George, two fantastic kids, and their dogs and cats.



Lisa grew up in Los Alamos, NM where she gained an appreciation for the outdoors. She loves to backpack, hike, and travel anywhere. She is active in her church and loves spending as much time as possible with her husband and two daughters.

Lisa is a Registered Dental Hygienist with the Texas State Board of Dental Examiners. She graduated from Austin Community College and has been working with Dr. Tyree since 2013. Prior to being a hygienist, she worked as a dental assistant and grew to love the field of dentistry and interacting with patients.

Dental Assistant

Julie is a Registered Dental Assistant with the Texas State Board of Dental Examiners.  She joined our team in August 2008 and enjoys helping our patients achieve healthy beautiful smiles. Julie enjoys assisting in cosmetic procedures and loves the look on her patient's face when the work is completed.

She was born and raised in the small west Texas town of Fort Stockton. Julie always loved to visit her sisters in Austin and knew one day she would be living here.  She is married to a loving, caring man and they both enjoy traveling and going to major league baseball games. In her spare time she enjoys spending time with her family, cooking, shopping and being outdoors (when it's not over 100 degrees).


Alissa joined our team as a registered dental assistant in January 2016.  She attended high school in Laredo and moved to Austin as fast as possible.  When she is not helping patient's calm their fears she is competing in Spartan Races and enjoying cross fit.