It is with great sadness and profound respect that the radiology community in Ontario shares the news of the passing of Dr. Walter “Walt” Montanera, a highly respected colleague, mentor, and advocate. Dr. Montanera passed away peacefully at home last evening, surrounded by his beloved wife Mary Lou and his family, following a courageous battle with cancer.

Dr. Montanera was more than a physician—he was a passionate advocate for patients, a visionary in medical imaging, and a leader who shaped the standard of care in Ontario. Throughout his career, he dedicated himself to ensuring that patients had access to the most advanced imaging technologies, enabling more accurate diagnoses and better outcomes for countless individuals across the province.

His reputation, expertise, and tireless pursuit of excellence were instrumental in securing approvals for groundbreaking technologies that have since benefited millions of Ontarians. Colleagues remember him as a driving force in radiology—a man whose professional achievements were only matched by his compassion, integrity, and commitment to those he served.

Beyond his clinical work, Dr. Montanera will be remembered as a devoted family man, a generous mentor, and a steady source of wisdom and kindness. His passing leaves an immense void in both the medical community and the many lives he touched personally and professionally.

As Ontario radiologists and healthcare professionals mourn this profound loss, they also honor the enduring legacy Dr. Montanera leaves behind: one of advocacy, progress, and unwavering dedication to improving the health and lives of patients.

Rest in peace, Dr. Walter Montanera. Your contributions will live on, and your absence will be deeply felt by all who had the privilege of working alongside you and learning from your example.