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About Us

Leader in occupational hearing health since 1976.

Our history

The Foundation

RAB Ltd. was founded as an occupational health and medical expertise service provider, to meet the specific needs of the workplace.

Introducing CORTI ©

The development of CORTI © software has revolutionized audiological test management, offering advanced solutions for commercial use.

The Evolution of BJA

The partnership with Dr. Daniel Johnson, a seasoned engineer, researcher and author, consolidated occupational hearing health efforts.

The ODYO Partnership

United by a common vision, ODYO and BJA have forged a strategic partnership, positioning themselves as industry leaders in occupational hearing health.

Development and Growth

Our journey has been one of continuous growth, unwavering commitment and the relentless pursuit of new horizons. By pushing boundaries, seizing opportunities and embracing change, we are affirming our position in the hearing care market.

Defining our Purpose

Our Mission

It's simple: prevent occupational deafness.

Our Vision

Sharing our expertise and collaborating with you to make an impact.

Our Values

Social responsibility, integrity and creativity are our guiding principles.

Our Experts

BJA_Robert Bertand
Dr. Robert A. Bertrand
Founder and specialist in neuro-otology
BJA _ Ninon Bertrand
Ninon Bertrand
Expert in occupational hearing health
BJA_Joe Saliba
Dr Joe Saliba
Assistant professor and otology, neurology, and skull base surgeon
BJA_Alexis Pinsonnault
Alexis Pinsonnault-Skvarenina, MPA, Ph.D.
Audiologist, researcher and expert in occupational hearing health
BJA _ Francis Lafrican
Francis L'Africain, MPA
Audiologist and expert in occupational hearing health
BJA_About Us_Team_Hany
Hany Ghonaim, MBA, MPA
Expert in occupational hearing health

Our Network

Bertrand-Johnson Acoustique is part of the ODYO network.
Bertrand-Johnson Acoustique is part of the ODYO network.