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Sir Muir Gray is a distinguished British physician and public health expert renowned for his transformative contributions to the UK’s healthcare system. Since beginning his NHS career in 1972, he has held several pivotal roles, including:

Director of the UK National Screening Committee, where he was instrumental in establishing national screening programmes for breast and cervical cancer.

Founder of the National Library for Health, enhancing access to medical knowledge across the NHS.

First Chief Knowledge Officer of the NHS, leading initiatives to integrate evidence-based practices into healthcare delivery.

Co-founder of the Cochrane Collaboration, promoting systematic reviews to inform medical decision-making.


Knighted in 2005 for his services to the NHS, Sir Muir continues to influence public health policy and practice. He currently serves as the Executive Director of the Oxford Centre for Triple Value Healthcare and is a Visiting Professor at the University of Oxford .

A central theme of Sir Muir’s work is the promotion of healthy ageing. He challenges the notion that ageing inevitably leads to decline, emphasising instead that many health issues attributed to ageing are actually due to a loss of fitness. He advocates for proactive measures to maintain physical, cognitive, and emotional well-being throughout life .

In line with this philosophy, Sir Muir has proposed that the NHS prescribe initiatives like “The Longevity Games” to encourage active lifestyles among older adults. These programs aim to prevent the onset of frailty and chronic diseases by promoting regular physical activity, thereby enhancing resilience and reducing healthcare costs .

Through his ongoing efforts, Sir Muir Gray continues to advocate for a healthcare system that prioritises prevention, empowers individuals, and supports healthier, longer lives.