Our Leadership

For more than 25 years, Ms. Dumanian has been a leader and accomplished executive in the field of healthcare administration and operations. Serving in the public, non-profit and private sectors, she has held CEO and senior executive roles in multiple Canadian organizations.  

Recognized nationally as a transformational leader, Ms. Dumanian has a unique ability to maximize the impact of organizations that are built to deliver positive human outcomes and empower lives. She brings a passion and vision to every organization that she touches, and Canadian Hearing Services is no different. Inspired by a world in which all individuals have equal opportunity for participation – she is relentless in her pursuit of providing a barrier-free society for Deaf and hard of hearing Canadians. 

Ms. Dumanian has taken the bold steps necessary to set Canadian Hearing Services on a path to become the most comprehensive full-service hearing health care provider in Canada. An innovative and strategic Chief Executive Officer, She has set a five-year evolution that is overflowing with ambition yet grounded in a realistic and measurable blueprint. Her vision for the organization becomes attainable in part through her commitment to meticulous planning, but most importantly through her ability to empower and inspire her people.

Ms. Dumanian is unwavering in her belief in the potential that Canadian Hearing Services has to empower the lives of Deaf and hard of hearing Canadians. Through her commitment to the organization and her unique and unparalleled leadership style, she continues to raise the bar for the communities and people that she serves.

Chantal Graveline, PhD is an award-winning healthcare executive with more than 30 years of progressive leadership experience across the healthcare continuum for local, national, and global organizations. She has led accreditation efforts, developed performance accountability frameworks, created internationally recognized clinical programs, and led successful funding and strategic partnership initiatives.

Dr. Graveline has dedicated her career to bridging clinical and community practice with academic and scholarly activities. She has pioneered new academic and practitioner roles supporting the translation of research into practice. Her own research in the fields of cell biology, neurophysiology, and epilepsy surgery in pediatric populations has contributed to advancements that continue to inform the field. She has supported the development of graduate work in rehabilitation and is the driving force behind the scholarly vision and mandate of CHS Global Partnerships for Research & Innovation, now Hearing Research International.

Dr. Graveline has led Canadian Hearing Services’ programs and services portfolio for the last 10 years, including Audiology, Interpreting, Deafblind Intervening, Connect Mental Health, as well as Community and Social Services. Her dedication and commitment to exceptional quality of care have been recognized through Accreditation Canada exemplary status.

Dr. Graveline leads by example and continues to be a passionate, lifelong learner. She holds a Master of Business Administration from Western University, a Bachelor of Science in Physical Therapy from the University of Montreal, a Master of Science in Cell Biology, and a PhD in Neurosciences from the University of Toronto.

She has held executive and leadership roles at organizations in the hospital, community care, and home care sectors including Spinal Cord Injury Ontario, Baycrest Geriatric Health Care System, Toronto Rehabilitation Institute, COTA Health, and the Hospital for Sick Children.

Rex Banks, Au.D. is an award-winning audiologist and hearing health system leader with nearly four decades of clinical, academic and senior leadership experience. He directs the operations of Hearing Research International (HRI), formerly CHS Global Partnerships for Research & Innovation, where he has been instrumental since its inception in designing the architecture of HRI’s research framework, overseeing the funding cycle that supports its grant programs, and cultivating an international network of researchers and collaborators to expand HRI’s global reach and impact.

At Canadian Hearing Services (CHS), Rex oversees Audiology Professional Practice and Quality, advancing standards of care and guiding accreditation and continuous quality improvement across the organization. His work bridges professional practice and research strategy, strengthening outcomes for people who are Deaf and hard of hearing.

Rex has served as a research advisor and co-author with Statistics Canada on national studies related to tinnitus, unperceived hearing loss, and the relationship between hearing health and hypertension. He has held adjunct faculty appointments, received major industry awards recognizing his clinical excellence, humanitarian contributions, and professional leadership, and has led several national professional associations within audiology. Throughout his career, he has worked within organizations dedicated to Deaf and hard of hearing communities and brings that perspective to service delivery, professional mentorship, and public engagement.