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Gillian Leng

GIN Chair 2018, Member of the GIN Board of Trustees 2016 - 2019; 2019 - 2022


Gillian Leng is the Deputy Chief Executive at NICE, the National Institute for Health and Care Excellence, and a visiting professor at King’s College London.

Gillian trained in medicine at Leeds, and then spent several years researching the epidemiology of peripheral vascular disease at Edinburgh University.  She was involved in the Cochrane Collaboration as it first became established, and still contributes as an editor to the EPOC Group (Effective Practice and Organisation of Care).  She specialised in public health medicine, and worked as a consultant before moving to NICE in 2001.

At NICE, Gillian has been responsible for the initial set up and running of the clinical guidelines programme, for establishing the NICE implementation function, and for setting up NHS Evidence.  She was also responsible for establishing the NICE programme for accrediting the process of guidelines developed by third parties, and for establishing a guideline development function in social care.  Gillian is also responsible for the NICE programme of indicator development, which supports national initiatives in measuring and monitoring improvements in care.


Gillian is involved in other national initiatives, including sitting on the English National Quality Board and being a trustee of the Royal Society of Medicine.  She is also actively involved in research into guideline implementation and quality improvement at King’s College, London. She is the editor of a textbook published in 2014:  ‘Achieving high quality care:  experiences from NICE’.  And, last but not least, she is the current Chair of GIN.



Vision for GIN 2020-2023

The vision set by the Guidelines International Network is: ‘Trustworthy and accessible guidance for better health’.  This ambitious aim will require GIN to play a key role in supporting the development of guidelines all around the world, including low and middle income countries, and countries with advanced economies.  Where possible, this will entail harnessing new technologies to facilitate communicate and enhance collaboration.

GIN will provide leading edge advice and expertise on advances in guideline methodology, including assessing and grading evidence of different types, considering how best to use economic evaluation, and updating.  GIN will help shape the debate on the role of artificial intelligence in guideline development, and collaborate on the use of data alongside research evidence to create ‘living guidelines’.

GIN and its member organisations will influence the use of guidelines in practice, and will inform the presentation, communication and implementation of guidelines.  And overall, it will aim to ensure that the needs of patients and the public underpin all aspects of its work.


Page last updated: Oct 01, 2020
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