Meet The Team

Dr. Williamson couldn’t be prouder of the compassionate, highly trained individuals that assist in delivering the highest quality dental care to his patients. Each member of our team is passionate about helping patients from all walks of life achieve and maintain optimal oral health. Throughout the year, our team attends a number of educational seminars and events to ensure that our patients enjoy the most up-to-date dental service possible.

Marian Sanchez

Marian Sanchez

Registered Dental Assistant

Marian graduated from the San Antonio College of Medical and Dental Assisting in 1983. She has over 30 years of experience in dental assisting, with 7 years in the field of pediatric dentistry and 3 years in laser dentistry. Marian has been certified by the Dental Assisting National Board since 1994 and updates her certification yearly in nitrous oxide monitoring, OSHA, HIPAA, radiology, and jurisprudence. She joined our team in 1995 and has been a wonderful and important part of our office since then. Marian is bilingual and she enjoys translating for our Spanish speaking patients. She assists Dr. Williamson in a full scope of general and cosmetic dentistry procedures. She is the proud mother of two wonderful sons and stays busy with her very talented younger son’s many activities. When not in the office, Marian likes to indulge her creative side with various arts and crafts projects. She enjoys road trips, live music performances, dancing, making tamales and spending time with her friends and family.

Trish Guerrero

Trish Guerrero

Dental Assistant

She has been working as a dental assistant for over 37 years. She joined the practice in 2016. She is certified with the Texas Dental Assistant Board and updates her certification yearly in nitrous oxide monitoring, OSHA, HIPAA, radiology, and jurisprudence. Trish enjoys working with our patients and seeing the outcome of their treatment. She strives every day to bring comfort and encouragement to the patients she serves. She puts love and compassion into whatever she does and is always a calming and supportive patient advocate. When she isn’t working, Trish enjoys spending time outdoors with her husband, son and four adorable dogs. Her son Ethan is a junior at UTSA and looks forward to a career in medicine.

Rose Hill

Rose Hill

Dental Assistant

Rose is a registered dental assistant. She graduated from San Antonio Southwest Medical & Dental Assistant School in 1982. She is certified with the Texas Dental Assistant Board and updates her certification yearly in nitrous oxide monitoring, OSHA, HIPAA, radiology, and jurisprudence. She worked for the practice from 1991-2002. She moved to Austin in 2002 where she continued as a dental assistant. While in Austin she raised her family and then returned back to San Antonio in February of 2018 where she re-joined the practice. She is a great asset to our dental team. Her extensive dental knowledge and calming personality help to comfort patients before, during and after their dental procedures. She enjoys assisting Dr. Williamson in all aspects of the dental field. Her daughter Brooke is in her 2nd year at Blinn College. Brooke is going to transfer to A&M and is looking forward to becoming a registered nurse. When Rose isn’t working she enjoys live music, dancing, camping and grilling with family and friends.

Addie Parks

Addie Parks

Dental Hygienist

Addie was born in Victoria, Texas and graduated from Refugio High School. She received her dental hygiene degree from Costal Bend College in Beeville, Texas. We were very lucky to have Addie join our team back in 2000. She is married to Shawn Parks, who is a funeral director, and they have two children, Hunter and Morgan. She enjoys spending time outside at the coast and hunting with her family. She is involved with the FFA and helps her daughter raise and show pigs.

Judy Treadaway

Judy Treadaway

Dental Hygienist

After graduation from the University of Texas Dental School in Houston, Texas, in 1971, she started working in San Antonio and Boerne, Texas. She then spent 20 years in Houston and Lake Jackson, Texas before returning home to San Antonio and finding her “Career Home” with the practice in 1999. Judy finds humor that she has come full circle in her career, working only two blocks from where she grew up, when this location was on the outskirts of San Antonio. When not at the office, she enjoys travel with her husband, Ben, a retired Army and commercial helicopter pilot, who is now a financial advisor. They have 3 sons, two in Austin and 1 in Warsaw, Poland…and the cutest granddaughter ever!

Beth Shepherd

Beth Shepherd

Patient Care Coordinator

Beth was born and raised in San Antonio. She was a national sales manager for 11 years before deciding to start a family. She was fortunate enough to stay home with her kids for 8 years before becoming a part of our team. She is passionate about getting to know all of our patients and making sure they receive quality service and care from our office. Beth and her husband Casey have two beautiful children. She loves family time with her husband and kids. When not working, Beth enjoys going to the lake, relaxing at the beach and snow skiing with her family and friends.

Sit Back & Relax. We Understand Your Concerns.

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