Jim G. Tyree, DDS, General Dentist
MAGD, Master Academy of General Dentistry
Call: (512) 328-4411

Meet Our Team


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, gardening and creating jewelry.


Dental Hygienist

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.


Dental Hygienist

Mariana grew up in Portugal where she graduated with a degree in Dental Hygiene from Faculdade de Medicina Dentaria  the School of Dentistry in Lisbin.  After working as a RDH in Portugal she moved to the US to further her education with a bachelors degree in Dental Hygiene at the University of Washington in Seattle, WA where she also completed her Master's degree in Oral Biology.  After 10 years of gray skies Mariana and her family moved to Austin when she continues to practice.  She joined Dr. Tyree's practice in June 2018.Mariana adores spending time with her husband and their two energetic little boys.  She likes to get creative in the kitchen and share her Portuguese inspired dishes with loved ones and friends.  Her family considers themselves very lucky!  When not cooking or working she loves the sunshine, swimming, playing with the kids, eating and reading.


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).



Dental Assistant

Alisha joined the team in January 2020 as a registered dental assistant. She is an outgoing person and always has a smile on her face. She has a passion for teeth and decided to attend dental assistant school. She was born and raised in Austin.  In her free time she loves to spend quality time with her family and cat.