Meet Our Team

Vanessa Myers is the Co-Owner and Board-Certified Hearing Instrument Specialist (BC-HIS) with over 20 years of experience in the hearing care field. Since starting her career in 2004, she has helped countless patients improve their hearing and reconnect with the world around them. She specializes in personalized care, offering expert evaluations, customized treatment plans, and precise hearing device programming—all with a focus on making sure every patient feels heard and supported.

Vanessa and her husband, Darrell, live in San Marcos, where they’ve created a lifetime of fond memories in Central Texas. They’re proud of their five children and love spending time with their grandchildren. From their family to yours, we welcome you to MedPark Hearing Center, where personalized solutions and healthy connections are at the core of everything we do.

In addition to her work, Vanessa is actively involved with the Texas Hearing
Aid Association, the International Hearing Society, and the San Marcos Chamber of Commerce. She also enjoys mentoring new professionals and serves as a state licensing proctor to ensure the highest standards in hearing care.
At MedPark Hearing Center, Vanessa is committed to making every patient feel like part of the family.

Hilary Arnaud, Au.D. graduated James Madison University in 2003 with a Bachelor’s degree in Communication Sciences and Disorders. Hilary then continued her education at the University of Tennessee where she obtained both a Master’s (2005) and Doctoral degree (2007) in Audiology, with a concentration in Aural Habilitation. She completed her Clinical Fellowship in Abingdon, Virginia prior to accepting a position at The University of Texas MD Anderson Cancer Center in Houston, Texas. Hilary’s husband’s job took them to Vancouver, BC; Phoenix, AZ, and finally San Antonio. Hilary has worked in ENT audiology, Educational Audiology, Private Practice Audiology seeing both children and adults.

Dr. Hilary Arnaud is licensed as an Audiologist in the state of Texas and holds the Certificate of Clinical Competency through the American SpeechLanguage-Hearing Association. She specializes in diagnostic audiology and aural rehabilitation, including hearing aid evaluations and dispensing. When she is not helping patients she is busy spending time with her family.

Hazael Trujillo is a Hearing Instrument Specialist Trainee at MedPark Hearing Center, where he began his career in hearing healthcare in 2024. After spending ten years in the automotive industry, Hazael made the decision to join the family practice and pursue his passion for helping others through better hearing. With a strong interest in technology, he enjoys exploring innovative solutions and finding personalized ways to help patients get the most out of their hearing aids.

Hazael loves working alongside his wife of 10 years, Allison, and their two children, creating a true family-oriented atmosphere at MedPark Hearing Center. He is a proud member of both the Texas Hearing Aid Association (THAA) and the International Hearing Society (IHS), and is committed to delivering thoughtful, tech-savvy care with a personal touch.

Allison Trujillo is the Co-Owner and Practice Manager of MedPark Hearing Center, bringing over a decade of experience in the hearing care industry since starting her journey in 2012. Known for her expertise in all things front desk and customer service, Allison is passionate about creating a warm, welcoming environment for every patient who walks through the door.

Born and raised in New Braunfels, TX, she’s proud to serve her hometown community alongside her family—including her two favorite “mini managers,” her children Benjamin and Aliana. She is an active member of the San Marcos Chamber of Commerce, the Texas Hearing Aid Association (THAA), and the International Hearing Society (IHS), all of which allow her to stay connected to her industry and community. Whether she’s supporting the day-to-day operations or helping patients feel right at home, Allison’s heart is always at the center of the practice.