She started her consultancy, HALO Psychology, in 2016 and her specific area of expertise is leadership and management behaviour and how this affects culture and performance.
Lewis is also a lecturer on postgraduate programmes at several UK universities. Her specialist topics are organisational culture change and leadership. She also leads a weekend school, for MSc students at Kingston Business School, where she teaches about leadership in the 21st century, creativity and innovation, consultancy skills and leading change.
Lewis recently defended her doctoral thesis at Birbeck College, University of London, which identified the psychological factors that help women leave corporate roles and set up successful coaching and training businesses.
Alongside running HALO Psychology, Lewis has taken on managing part one of the professional doctorate programme in occupational psychology at Birkbeck. This programme supports practitioners in attaining registered and subsequently, chartered psychologist status.
Before starting her own business, she spent more than a decade in local government, during which time, she won national recognition for her work on leadership development and culture change. Prior to this, Lewis worked at the BBC where she was an organisational psychologist, supporting leadership development and executive assessment.
Lewis believes in making psychology more accessible and regularly shares practical evidence-based tools and tips via social media.
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Hayley Lewis ranked 13th on HR magazine’s list of HR Most Influential thinkers in 2022.
Find the full list of HR Most Influential 2022 practitioners and thinkers here.
