Marshall Chasin is an audiologist and the Director of Clinical Research at the Musicians’ Clinics of Canada, Adjunct Professor at the University of Toronto (in Linguistics), and Adjunct Associate Professor in the School of Communication Disorders and Sciences at the Western University. Marshall has been involved with musicians since the mid 1980s and runs the Musicians’ Clinics of Canada.  His focus has been on hearing loss prevention among those in the performing arts.

Marshall received his B.Sc. in pure mathematics and linguistics at the University of Toronto, his M.Sc. in Audiology and Speech Sciences at the University of British Columbia, and his Doctor of Audiology (AuD) degree from the Arizona School of Health Sciences.  He is the author of over 200 articles and 8 books including Musicians and the Prevention of Hearing Loss, “Music To Your Ears”, available from HearingHealthMatters.org, and more recently, Music and Hearing Aids (Plural Publishing, 2022).  And… Marshall is the Editor in Chief of the new edition (#8) of the Handbook of Clinical Audiology, taking over the reigns from Jack Katz, coming out in 2027. He writes a monthly column in Hearing Review called Back to Basics and a regular blog at HearingHealthMatters.org/HearTheMusic.

For almost 20 years, Marshall has been the Editor in Chief of the Canadian Hearing Report (the former official organ of the Canadian Academy of Audiology) and now CanadianAudiologist.ca (the current official e-organ).

Marshall has been the recipient of many awards over the years including The Eve Kassier Award from the Canadian Association of Speech-Language Pathologists and Audiologists (now Speech and Audiology Canada (SAC), Presidents’ Awards from both the Ontario Association of Speech-Language Pathologists and Audiologists (OSLA) and from the Canadian Academy of Audiologists. He also has been awarded the 2004 Audiology Foundation of America Professional Leadership Award, the 2012 Queen Elizabeth II Silver Jubilee Award for service to Canada, the 2017 Canada 150 Medal, and in 2025, the Richard Seewald Career Award from the Canadian Academy of Audiology.

And he is a black belt in both karate and kung fu but is only authorized to take on 5 year old kids- the 7 year olds gang up on him…