The Social Brain

A unique blend of evolutionary psychology and strategic leadership insights, perfect for anyone interested in working successfully in groups.

Book titled 'The Social Brain: The Psychology of Successful Groups' by Tracey Camilleri, Samantha Rockey, and Robin Dunbar.Book titled 'The Social Brain: The Psychology of Successful Groups' with leaf illustrations walking in a line.

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Book titled 'The Social Brain: The Psychology of Successful Groups' with ants carrying green leaves in front.

In The Social Brain leading experts from the worlds of evolutionary psychology and business management come together to offer a primer on great team working.

They explain why group size matters and how to shape them according to the nature of the task at hand.

They offer practical hints on how to diffuse tensions and encourage cooperation. And they demonstrate the vital importance of balancing unity and the need for different views and outlooks. By explaining precisely how the ‘social brain’ works, they show how human groups function and how to create great, high-performing teams.

The Social Brain answers these questions and more:

About The Authors

The Social Brain is a collaborative work by Associate Fellows at Oxford Saïd Business School, Tracey Camilleri and Samantha Rockey, along with Emeritus Professor of Evolutionary Psychology at the University of Oxford, Robin Dunbar.

Tracey and Samantha are renowned experts in leadership and organisational development, and founders of the leadership consultancy firm Thompson Harrison. On the other hand, Robin Dunbar is an expert in neuroscience and psychology, specialising in the study of the behavioural, cognitive, and neuro-endocrinological mechanisms that shed light on how humans create large-scale societies.

Smiling Tracey Camilleri  wearing glasses, a floral shirt, and a dark velvet jacket against a light background.

Tracey Camilleri

Tracey is the co-founder of Thompson Harrison and an Associate Fellow at Oxford University’s Saïd Business School (OSBS).

At OSBS, Tracey designed and directed the flagship Oxford Strategic Leadership Programme (2012-2022) and bespoke senior development programmes. She is known for her innovative design approach, her focus on the dynamics and practice of successful groups, and what it means to lead healthy, thriving organisations.

Samantha Rockey with straight brown hair wearing a checkered blazer and mustard lace blouse.

Samantha Rockey

Co-founder of leadership consultancy Thompson Harrison, Samantha started her career in the first democratically-elected South African government, focusing on policy and change.

Later the Global Head of Leadership Development at FTSE 100 company SABMiller, Samantha is also an Associate Fellow at Oxford Saïd Business School, and Programme Director, tutor and faculty member. She sits on several boards and has advised organisations including Imperial College Business School’s Global Online MBA.

Robin Dunbar wearing glasses wearing a blue jacket, light blue shirt, and striped tie.

Robin Dunbar

Professor of Evolutionary Psychology at the University of Oxford, Robin is a Fellow of the British Academy and of the Royal Anthropological Institute, and an elected Foreign Member of the Finnish Academy of Science and Letters.

He has been awarded the Osman Hill Medal and the Huxley Medal, Robin’s popular science books include The Human Story, How Many Friends Does One Person Need? and Human Evolution, each translated into a dozen languages.

Paul Gilbert with gray hair and mustache wearing a blue shirt.

‘A remarkable and important book … a highly accessible, timely and invaluable guide to anybody working in groups.’

Paul Gilbert OBE, Author of The Compassionate Mind

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