Ian Gerszewski, Au.D.

President of Mission Audiology / Doctor of Audiology

Dr. Ian Gerszewski joined Mission Audiology in 2016, and brought with him a superior level of expertise and a unique approach to patient care. He uses a customized process to tailor solutions specific to each patient based on their lifestyle, needs, and goals, which makes him a top Mission Viejo, CA, hearing doctor. He believes this approach leads to greater long-term success for his patients in the South Bay of Los Angeles and worldwide. Dr. Gerszewski is an esteemed addition to the Mission Audiology team and one of the reasons they’ve been voted the Best Audiologists of the South Bay in the Daily Breeze Readers’ Poll for the last several years.

Education & Accomplishments

  • Bachelor of Science, University of Utah
  • Doctor of Audiology degree (Au.D.), graduated top of his class
  • Completed residency at the Ear, Nose and Throat Center of Utah
  • Served on the board for the Student Academy of Audiology
  • One of only four U.S. students invited to participate in the annual International Audiology Student Conference hosted by Oticon at the Eriksholm Research Center in Denmark
  • Board-certified by the American Board of Audiology
  • Served on the board of directors for Loop Utah – provided and advocated for assistive listening technology in the community
  • Participated in the Starkey Hearing Foundation Mission to Lanzhou, China, in 2017 – provided the gift of sound to people in need


Away from the Office

When not improving his patients’ quality of life through hearing restoration, Dr. Ian enjoys traveling and spending time outdoors with his wife and three boys. Their favorite activities include hiking, riding dirt bikes, camping, rock climbing, swimming, and snorkeling.

Ready to Start Your Journey to Better Hearing?

Request an appointment with Mission Audiology today.