Kathy, the owner and founder of the Bay Area locations of Posey's Hearing Aid Center, began her career early on while working alongside her father Marvin in the original Posey's Hearing Aid Center. Realizing then that hearing healthcare was her calling, Kathy has since gone on to earn her master's degree in clinical audiology and obtain the title of Board Certified Hearing Instrument Specialist. Kathy has dedicated her career to bringing both the highest level of clinical services and the very best in hearing aid technology to the patients of Posey's Hearing Aid Center.

Rusty began his career in hearing healthcare shortly after completing his studies in business. He was introduced to and began working for a company that tested and sold hearing aids. Passionate about this newfound career, Rusty went back to college to study audiology. Over 29 years, Rusty has established twelve hearing healthcare offices, sold his practices, and retired twice! For the last four years he has traveled the U.S., working as a consultant to other offices and hospitals in their business development. For the past few years Rusty has helped Posey's Hearing Aid Center in the Bay Area continue the tradition of helping the hearing impaired to improve their quality of life.

Michael, a California licensed Hearing Instrument Specialist, has been working in the hearing aid industry for a number of years, beginning at the manufacturing level with NU-EAR Electronics in San Diego. Michael worked at several levels within NU-EAR and gained extensive training and knowledge about the field. Michael moved to the Bay area in 2007 to pursue a career in private practice with Posey's Hearing Aid Center. Here he fits his patients with the same state-of-the-art NU-EAR technology that he has become so familiar with. Michael currently heads the Antioch location and continues to build his practice with scores of satisfied patients.

Ryan, the newest member of the Posey's Hearing Aid Center family, has grown up around the hearing healthcare industry. His father Jim Kalberer, a well-respected hearing specialist who has been in the business for over 20 years, instilled in Ryan a firm belief in honesty, integrity and caring for others.

Ryan knew from a young age that following in his father's footsteps by helping people improve their lives through better hearing was something that he wanted to do. Since then Ryan has continued his education in hearing sciences and strives for excellence in his practice with Posey's.