Alison Reynolds & David Lewis

Ashridge-Hult Business School and London Business School.


Thinkers50 Radar Class of 2019.


In 2016 Alison co-authored a research paper Quality Interaction: The Engine of Strategy Execution that received a Val Hammond award.


David’s research and thinking has led him to be named Thinker of the month (September 2018) by Thinkers50.


Cognitive diversity is key to successful teamworking and innovation. Developing tools to enhance individual, team and organization performance through better interaction.


Reynolds is a member of faculty at Ashridge Business School where she works with executive groups in the field of leadership, strategy execution and organization development. She has a background working in UK government, Big Four consulting and is an advisor to small businesses and charities. Lewis is the Director of London Business School’s Senior Executive Programme and the School’s Executing Strategy for Results programme.


HBR articles include, “Teams solve problems faster when they are more cognitively diverse” and “The two traits of the best problem- solving teams”. Book The Qi Effect (forthcoming).


Media picks


“Quality of interaction is an intriguing and highly practical concept, compellingly explored by this academic duo.”

Stuart Crainer & Des Dearlove, Thinkers50

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