Troy, OH
About Us
Our Audiologists

Kate Williamson Lins, AuD

Mallory S. Mercer, AuD

Stacy Roberts, AuD

Kimberly S. Obringer, Au.D.

Erin Thomas, M.A.

Jennifer Scott, M.A.
Our Professional Staff

Chrissy Gerstner

Troy, OH
(937) 308-7000
Fax
(937) 703-9255









Dr. Kate Williamson Lins is a graduate of the Ohio State University (BA, MA) and the University of Florida (AuD). She has practiced audiology locally since 1997. Dr. Lins has worked closely with ear, nose, and throat physicians, in hearing instrument dispensing clinics, and has been affiliated with Upper Valley Medical Center since 1999. In 2007, Dr. Lins and Dr. Rudy formed Upper Valley Hearing & Balance, Inc., and Dr. Lins is now proud to be the sole owner and managing audiologist of this growing practice.
Dr. Lins is a Fellow of the American Academy of Audiology, certified by the American Speech Language and Hearing Association, and licensed to practice audiology by the State of Ohio. She is also a member of the Ohio Speech Language and Hearing Association. Dr. Kate Lins received the Troy Chamber of Commerce 2012 Outstanding Young Woman Award.
Dr. Lins and her husband Doug are both graduates of Troy High School, and continue to reside in Troy with their four children. Dr. Lins is an active community volunteer and previously served as member of the Board of Trustees at both Overfield Early Childhood Program and Brukner Nature Center. She is currently serving on the Board of Limited Jurisdiction for Lehman Catholic High School, the Education Commission for St. Patrick School, and is an active volunteer with both St. Patrick Home & School and St. Patrick Alumni & Friends.

Dr. Mallory S. Mercer completed both her undergraduate and graduate degrees at The Ohio State University, where she earned her Bachelor of Arts degree with Honors and Research Distinction in Speech and Hearing Sciences and her Doctorate of Audiology. Dr. Mercer spent most of her academic career as a Research Associate in the Early Development of Children with Hearing Loss (EDCHL) laboratory under Dr. Susan Nittrouer. She completed her doctoral externship at the Dayton VA Medical Center, where she provided hearing and balance evaluations, as well as hearing aids and assistive listening devices to Dayton's veterans. At Upper Valley Hearing & Balance, Dr. Mercer specializes in comprehensive adult and pediatric evaluations, hearing aids and balance diagnostics. Dr. Mercer is licensed to practice audiology in the state of Ohio, board certified by the American Board of Audiology and is a fellow of the American Academy of Audiology.
Dr. Mercer and her husband, Troy, live in his hometown of Troy. Mr. Mercer works with his father in their athletic field contracting business, Mercer Group Inc. in Troy. Troy and Mallory have two sons, Trenton and Thompson, and a daughter, Tessa.


Audiologist, Erin Thomas, has been practicing audiology in the Dayton area since 1998 after graduating with her Bachelor of Science in Communication Sciences from Illinois State University and her Master of Arts in Audiology from the University of Cincinnati. She performs a wide variety of audiological services for pediatrics to geriatrics including comprehensive audiological evaluations, as well as balance testing and other neurodiagnostic evaluations. Erin also has extensive experience with cochlear implants and fitting hearing aids/assistive listening devices.
Erin is licensed by the Ohio Board of Speech-Language Pathology and Audiology and a certified member of the American Speech Language Hearing Association. She lives in her hometown of Piqua with her husband, Keith, and two children, Ella and Trevor.

Jennifer has been practicing audiology locally since 1995 and joined Upper Valley Hearing & Balance, Inc. in 2016. Throughout her career, Jennifer has had a wide range of audiology experiences including diagnostic testing, balance testing, and hearing aid services. Currently, she performs comprehensive audiological evaluations for our company.
Jennifer graduated from Kent State University with her Masters in Audiology. She is licensed by the Ohio Board of Speech-Language Pathology and Audiology and is a certified member of the American Speech Language Hearing Association.
