Gillian Leng

Experienced executive leading a technology-assessment and guideline agency that supports health and social care decision-making by governments, services providers and patients

(Last updated during their term as a Commissioner - January 2022)

Gillian Leng is the Chief Executive of the National Institute for Health and Care Excellence (NICE), which offers guidance, advice and information services for health, public-health and social-care professionals in the UK. As a junior doctor, Gillian was struck by variations in clinical practice, and this developed into her passion for using evidence to improve care. Her career has spanned research, evidence synthesis, management, and healthcare. Her aim has been to transform NICE with new methods and processes to put the organization at the forefront of evaluating new medicines, devices and diagnostics, and deliver dynamic, living guidelines. Gillian trained in medicine at Leeds, worked on clinical trials and epidemiological research in Edinburgh, and was a public-health consultant in London. She was an editor of the Cochrane Collaboration, and now chairs the Guidelines International Network.


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