The Visionary Audiologist Behind 20dB Hearing in Malaysia

Since its inception in 2002, 20dB Hearing has transformed hearing care in Malaysia under the visionary leadership of its founder, Mr. Mok Yong Yaw. As an experienced audiologist, Mr. Mok recognized the urgent need for professional, accessible, and reliable hearing care services nationwide.

Driven by his mission to improve the lives of hearing-impaired individuals, Mr. Mok established Malaysia’s first audiologist-led hearing care centre in Taman Maluri, Cheras. Originally known as Gnosis Professional Hearing Services, the centre quickly gained a reputation for providing exceptional care. Building on this success, a second outlet was opened in Seremban in 2003.

Over the years, 20dB Hearing has expanded its footprint across Malaysia, thanks to a dedicated team of pioneering audiologists. Some team members even returned from Singapore to contribute to this noble mission. This expansion has made 20dB Hearing a trusted name, offering top-tier hearing solutions and personalized services across the country.

Our Founder

In 2002, Mr. Mok Yong Yaw, the founder of 20dB Hearing, recognized the need for hearing-impaired individuals in Malaysia to access professional care and guidance. Realizing the lack of professionally managed hearing care centers, he established 20dB Hearing, formerly known as Gnosis Professional Hearing Services, with its first outlet in Taman Maluri, Cheras.

Driven by a passion for helping the hearing-impaired community, Mr. Mok expanded the network by recruiting pioneer audiologists, including those from Singapore, and opening additional outlets nationwide. Today, 20dB Hearing operates with a philosophy of being a blessing to the hearing-impaired community by providing access to the best products and services delivered by dedicated audiologists.

“Our audiologists are highly experienced and dedicated and based in their hometowns. We prefer local audiologists, as they better understand the local consumers, communicate better with the same dialect and serve our clients in the long term."
– Mok Yong Yaw, Group Chief Executive Officer

Mr. Mok holds a Bachelor of Audiology (Hons) degree from Universiti Kebangsaan Malaysia (UKM) and specializes in speech audiometry, hearing aid fitting, and counseling. Before founding 20dB Hearing, he worked as an audiologist at Siemens Medical Instruments Pte Ltd from 2000 to 2003 and served as a part-time clinical supervisor at UKM Audiology Clinic from 2001 to 2005. In 2008, he earned a Master’s Degree in Business Administration (MBA) from The University of Melbourne. He is now based at 20dB Hearing’s HQ office in Kuching.

Management Team

The management team at 20dB Hearing comprises highly skilled professionals who are committed to delivering the best hearing care services across Malaysia and Singapore. With their vast experience and expertise, they play a crucial role in expanding the company’s reach and ensuring the success of its mission.

These leaders work closely together, combining their expertise and passion to lead 20dB Hearing toward its goal of providing the highest quality hearing solutions to those in need. Their leadership continues to be integral to the company’s expansion and reputation as a trusted provider of hearing care services.

Mr. Wong Kin Loon

Senior Principal Audiologist cum Managing Director

Mr. Wong is responsible for overseeing the overall strategy and operations of 20dB Hearing in Malaysia. With years of experience in business management and healthcare operations, he ensures the company maintains high-quality standards in every branch and expands its network. Mr. Wong is dedicated to advancing the company’s mission of providing professional hearing care to communities across Malaysia.

Mr. Liew June Kok

Operations Director (Distribution)

With over 20 years of clinical experience as an audiologist and extensive involvement in ear lab operations, Mr. Liew leads our supply chain, ear lab services, product technical support, and equipment calibration. He leverages his clinical expertise to ensure our ear moulds and related products are customised to meet the unique needs of each client, particularly those with special requirements. By upholding strict standards for product quality and regulatory compliance, Mr. Liew plays a key role in maintaining the company’s reputation for reliability and professionalism. His commitment to precise equipment calibration, in line with ISO and DOSH standards, ensures accurate, safe, and effective performance—delivering lasting value to both the company and our clients.

Mr. Leong Yeuu Siong

Senior Principal Audiologist

Mr. Leong is in charge of overseeing the cochlear implant programs at 20dB Hearing. He works directly with patients, guiding them through the process of cochlear implantation and providing post-operative support. His leadership ensures that 20dB Hearing remains at the forefront of cochlear implant technology, offering life-changing solutions to those who need them most.

Mr. Sahrulnizam Bin Besar

Senior Audiologist cum Operation Manager (HS)

Mr. Sahrulnizam manages the operations related to hospital and welfare support, ensuring that patients who require special care and assistance receive comprehensive support throughout their treatment journey. He is dedicated to bridging the gap between hospitals, welfare organizations, and hearing care centers, making sure patients have access to all available resources for a successful hearing recovery.