#ogilvychange is a behavioural practice that combines the gravitas of leading research in cognitive psychology and behavioural economics with the communication expertise of the Ogilvy Group. Now at two years old, #ogilvychange is working with some of the worlds largest brands to change people’s minds and behaviour for the better.

The practice was founded by Ogilvy & Mather UK Vice-Chairman, Rory Sutherland and Ogilvy Group Chief Strategy Officer, Jez Groom. Our team of choice architects work alongside our active community of behavioural science experts, including leading academics and those applying these insights in the real world, to provide our clients with the best behavioural thinking in the field. 

We have Little Ideas from Big Thinkers that solve Big Behavioural Problems.


Our clients include:





Our panel of experts:

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Rory Sutherland

Vice-Chairman, Ogilvy & Mather UK and co-founder of #ogilvychange. With the discovery of behavioural economics, Rory found that it was a serious academic discipline that can positively impact business. He continues to provide behavioural insight with his TED talks, blog at Campaign and his busy Twitter account.

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Jez Groom

Chief Group Strategy Officer UK and co-founder of #ogilvychange. Jez has become a leader in behavioural science strategy. With 20 years industry experience, Jez has successfully applied behavioural learnings to local and global communication.

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Prof. Nick Chater

Nick is Professor of Behavioural Science at University of Warwick Business School, which he joined in 2010, after holding chairs in psychology at Warwick and UCL.

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Prof. Paul Dolan

Paul is currently a Professor of Behavioural Science in the Department of Social Policy at the London School of Economics and Political Science, as well as a member of the Cognitive and Behavioural Sciences Panel of the World Economic Forum, and an expert advisor to Ofgem.

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Nathalie Nahai

Nathalie is an award-winning speaker, Web Psychologist, and best-selling author of 'Webs of Influence: The Psychology of Online Persuasion' (Pearson). Having coined the term 'web psychology' in 2011, she helps businesses apply scientific rigour to their design and decision-making processes, to achieve better engagement online.

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Dr. Alain Samson

Alain studied sociology and social psychology at UC Berkeley and the University of Michigan, followed by Ph.D. work at the London School of Economics where he is currently a senior consultant, as well as an associate at ESCP Europe Business School’s Creativity Marketing Centre.

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Dr. Nick Southgate

Having obtained a PhD on the philosophy of personal identity from Durham University, Nick now works freelance on a myriad of projects that include Grey’s GSK portfolio in the UK, the IPA’s Behavioural Economics initiative and The School of Life, the educational institute founded by Alain De Botton.

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Seamus O'Farrell

Seamus is Prostate Cancer UK’s first Director of Communications where he is responsible for uniting the Marketing Communications and Media PR Teams, and for developing future strategy for the Charity's brand.

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Dr. Fiona Adshead

Before joining PwC on secondment Fiona was Director of Chronic Disease and Health Promotion at the World Health Organization with five years’ experience as Deputy Chief Medical Officer and Director General in the UK Government responsible for Health Improvement and Health Inequalities.

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Dr. Sarah Walker

Sarah is the Director of Research & Development for Consumer Neuroscience at Millward Brown. She works with clients and researcher teams to develop new ways of applying learnings from behavioural economics and cognitive science to how we measure consumer attitudes and opinions.

Andrew Bass

Dr. Andrew Bass






Andy is an independent consultant who helps leaders to accelerate the achievement of their strategic goals. He has a PhD in Software Engineering from Aston University,and a research background in systems thinking, organizational culture and ergonomics (the application of human sciences, especially psychology, to design). He teaches Consulting on Complex Problems at Warwick Business School and is a member of Interchange Research, a leading cybernetic think tank creating "minimalist interventions" in the corporate world. 



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Tim Reid

Tim is an independent qualitative researcher who is interested in the discrepancy between what people say and what they do.  This lead to his work on the subject of how the unconscious affects decision making and people’s behaviour. 


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Paul Craven



 After 27 years with three leading investment firms, including Goldman Sachs, Paul is a coach, consultant and public speaker in behavioural economics. He believes psychological insights provide a stong competitve benefit for those firms and individuals who embrace it, whether in finance, marketing or society at large. He is a Member of the Magic Circle and therefore appreciates how the mind can play tricks.