Expert Audiologists You Can Trust

Discover How Easy it is to Improve Your Hearing and Your Life with the Right Hearing Specialists.

Marylyn Koble, M.S, CCC-A


Marylyn Koble graduated cum laude from Texas Christian University with a bachelor’s degree in Speech-Language Pathology. She received her master’s degree in audiology from the University of North Texas. Marylyn’s 20-year career has been spent in several ENT practices as well as several private practices, including 15 years here at Audiology Associates. She opened her own practice, Koble Hearing, in 2016, to provide in-home hearing healthcare to patients and purchased Audiology Associates of DFW in August 2018.

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Marylyn is excited to be “back home” at Audiology Associates! When she’s not working to help patients hear better Marylyn spends time with her husband and two rescue dogs. She enjoys photography, gardening, and watching any sport played by her beloved TCU Horned Frogs.

Elizabeth Johnson, Au.D.

Doctor of Audiology

Elizabeth Johnson completed her master of audiology degree at the University of North Texas in 1982. A doctoral degree in audiology was earned from the University of Florida in 2004. Dr Johnson’s lengthy career has been spent in educational audiology, otolaryngology offices and private practice. She is an advocate for the hearing impaired and has lobbied for hearing assistive loops in our community.

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In her time away from the office, Dr. Johnson enjoys spending time with her family and organic gardening. She is always on the lookout for a new drought tolerant, minimal maintenance, profuse blooming plant.
Mary Allen Maddie, AuD

Mary Allen Maddie, Au.D.

Doctor of Audiology

Mary Allen Maddie received her Bachelor of Arts in Communication Disorders from Louisiana State University. She earned her Doctorate of Audiology from the University of Texas at Dallas, where she studied anatomy, evaluation, and treatment of hearing and balance disorders. Prior to joining Audiology Associates of DFW, Dr. Maddie completed her audiology externship at The Scholl Center in Tulsa, Oklahoma where she was able to fine-tune her clinical skills in an environment offering a variety of audiological services. She strives to expand her clinical knowledge and expertise in the field of audiology to provide the best care to her patients.

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In her free time, Mary Allen enjoys spending time with her friends and family, playing tennis, traveling, and cheering on the LSU Tigers.

Kellie Lorensen

Office Manager

Kellie Lorensen started at Audiology Associates in 2005 and took over the position of Office Manager in December 2012. She has a Bachelor of Business Administration in Accounting from UT Arlington and has more than 17 years of customer service experience. While working to keep the office running smoothly, she also takes pride in making sure our patients’ needs are met.

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When not at the office she enjoys spending time with her husband and daughter, watching movies, hiking with her family and dogs, cheering on the Texas Rangers, and traveling.
Jasmine Jenkins

Jasmine Jenkins

Audiology Assistant

A native of New Hampshire, Jasmine Jenkins joined Audiology Associates in July 2019. Jasmine attended Howard University and left a successful career in the hospitality industry to embark on a new adventure in Texas. Jasmine loves learning and tackled the Audiology Assistant coursework with hard-work and enthusiasm. All her coursework has been completed and when processed she will be awarded an Audiology Assistant license by the State of Texas.

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In her free time, Jasmine can be found playing with her dogs, Hendrix and Riley, and enjoying the delicious meals prepared by her boyfriend (and professional chef), Isiah.
Haley Schulze, Patient Care Coordinator

Haley Schulze

Patient Care Coordinator

Haley Schulze came to Audiology Associates from the retail world. When described by a former customer as a person who “provides Nordstrom caliber customer service,” we knew she would make an excellent addition to the team. As the Patient Care Coordinator, Haley is the friendly face that greets you when you arrive.

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She loves cats and recently rescued a kitten from our parking lot. Haley enjoys camping and wants to visit all 89 of the state parks in Texas. In fact, she recently got engaged while on a camping excursion with (now fiancé) Jacob!

Real People. Real Stories.

Their words, not ours. See what more real people say about their experiences with Audiology Associates of DFW in Arlington, TX.

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