Janis Wolfe Gasch, Au.D.

Doctor of Audiology | Founding Director

Since Arizona Hearing Specialists opened its doors in 1981, Dr. Janis Wolfe Gasch, Au.D. has helped improve the lives of her patients through better hearing.

Her professional qualifications are as follows:

  • Doctor of Audiology from the Arizona School of Health Sciences of A.T. Still University
  • Licensed Dispensing Audiologist in the State of Arizona
  • Master of Science from the University of Arizona
  • Over 40 years as an Audiologist and almost 35 years as the Director of Arizona Hearing Specialists
  • Extensive continuing education hours yearly

In addition, Janis has notoriety and awards for her work in the community. She also belongs to numerous audiology organizations in order to keep current on the latest ways to help you hear better.

  • Humanitarian of the Year in 2003 for her work with the St. Andrew’s Children’s Clinic in Nogales, AZ
  • Recipient of the YWCA Woman On The Move award
  • Distinguished Alumna (2005) of the University of Arizona Department of Speech and Hearing Sciences
  • Belongs to the Academy of Dispensing Audiologists
  • Member of the American Academy of Audiology
  • Received a Certificate of Clinical Competence from the American Speech-Language-Hearing Association
  • Past President of the Arizona Speech-Language-Hearing Association

Janis and the staff of Arizona Hearing Specialists volunteer time and donate hearing aids to children with hearing needs from St. Andrew’s Children’s Clinic in Nogales, Arizona.




Kristi P. Hesse, Au.D.

Doctor of Audiology

Dr. Kristi Hesse received both her Bachelor’s and Master’s degrees in Speech and Hearing Sciences from the University of Arizona and received her Doctorate of Audiology from the Pennsylvania College of Optometry, School of Audiology. She spent the last year of her graduate degree program with Arizona Hearing Specialists as a student intern. Dr. Hesse worked here four years before leaving in 2006 to take a Clinical Professorship at the University of Arizona.  After a wonderful experience at the university she is pleased to return. It is Kristi’s goal to provide the best personalized hearing healthcare services to all individuals.

Her credentials include:

  • Doctor of Audiology
  • Licensed Dispensing Audiologist in the State of Arizona
  • Member of the American Speech-Language-Hearing Association
  • Extensive continuing education hours yearly




Gregory T. Swingle, Au.D.

Doctor of Audiology

Gregory T. Swingle, Au.D., is a native of Southern Arizona and has focused his career on improving the hearing in our state. After obtaining his Bachelors degree and Audiology Doctoral degree he completed an externship at the Washington DC VA Medical Center. Dr. Swingle then returned to Arizona where he worked as a dispensing audiologist in Phoenix prior to joining Arizona Hearing Specialists.

His credentials include:

  • Doctor of Audiology, University of Arizona
  • Bachelor of Science (Speech, Language, & Hearing Sciences), University of Arizona
  • Licensed Dispensing Audiologist in the State of Arizona
  • Fellow of the American Academy of Audiology
  • Member of the American Auditory Society
  • Member of the American Speech-Language-Hearing Association
  • Extensive continuing education hours yearly




John Cobb, Au.D.

Doctor of Audiology

Tucson native Dr. John Cobb, comes with a wealth of audiology experience. The Rincon High School graduate received his Bachelor’s and Master’s degrees in Audiology from the University of Arizona. He served as the Coordinator of Audiology at the University of Texas Medical Branch in Galveston from 1975-79, and then was the Director of COBB Audiology & Hearing Aid Center in Fort Worth, TX from 1979 until 2009. Dr. Cobb practices what he preaches – he wears hearing devices as a result of what he describes as a “music-induced hearing loss.”

His credentials include:

  • Doctor of Audiology, Arizona School of Health Sciences
  • Masters of Science, University of Arizona
  • Licensed Dispensing Audiologist, Arizona Hearing Specialists
  • Director of COBB Audiology & Hearing Aid Center, Fort Worth, TX
  • Coordinator of Audiology, University of Texas Medical Branch, Galveston, TX
  • Member – American Speech – Language – Hearing Association
  • Fellow – American Academy of Audiology




Nick Ramirez, Au.D.

Doctor of Audiology

Dr. Nick Ramirez, a proud Arizona native, has been part of the Southern Arizona community for the past 30 years. He received his Au.D. from the University of Arizona and remains a loyal Wildcat fan through thick and thin. Dr. Ramirez is passionate about patient care. He believes that communication through good hearing is the key to good relationships. Family involvement and support are critical factors in the rehabilitation process, in conjunction with hearing aids and assistive listening devices. His areas of interest include diagnostic audiology, hearing aid technology, tinnitus management, cochlear implant candidacy/mapping, and aural rehabilitation. Dr. Ramirez is known for his quality service and compassion for his patients.

Dr. Ramirez lives in Tucson and enjoys providing hearing assistance to all of Southern Arizona. “Growing up, I had personal experience with how hearing loss can isolate someone from friends and family,” he says. “Knowing that I can help people reconnect and be able to enjoy social situations again is why I love what I do. I love getting to know each and every patient, and working with them to find a customized treatment plan to meet their needs.”

His credentials include:

  • Doctor of Audiology, University of Arizona
  • Bachelor of Science; speech, language, and hearing sciences; University of Arizona
  • Licensed Dispensing Audiologist, Arizona
  • Member of the American Academy of Audiology
  • Member of the American Speech-Language-Hearing Association
  • Extensive yearly continuing-education hours




Cheri Oswant, Au.D.

Doctor of Audiology

Cheri Oswant, Au.D., has over 30 years’ experience in the field of Audiology. Her roots are in Pennsylvania. She attended The Pennsylvania State University where she received her Bachelor’s and Master’s degrees in Communication Disorders. She received her Doctorate of Audiology from the Pennsylvania College of Optometry, School of Audiology. Dr. Oswant has had a vast and varied career, working in both clinical settings as well as spending time on the manufacturer’s side of the business.

The effects of hearing loss are personal for Dr. Oswant. She understands the frustration and family dynamics that take place when someone has hearing loss. Her goal is to educate her patients and their families regarding their hearing loss and to help minimize the effects they may experience in their daily living situations. Her goal is to make life simpler and less stressful, where hearing is not the main concern.

Dr. Oswant is relatively new to Tucson and joins Arizona Hearing Specialists after spending over a year at Banner University Medical Center, where she worked primarily at the North Hills location before her department was closed.

Her credentials include:

  • Doctor of Audiology, Pennsylvania College of Optometry, School of Audiology
  • Licensed Dispensing Audiologist, Arizona
  • Member – American Speech-Language-Hearing Association
  • Extensive continuing education hours yearly