SARAH LEWIS is the Founder of Appreciating Change, a consultancy that applies evidence-based positive psychology to achieve dynamic workplace change at individual, team and organisational levels. Her clients have included Vector Aerospace, Kaspersky, Aston Business School, John Lewis, Umm Al-Qura University, Home Farm Trust and the Performing Rights Society. Since switching from social work to psychology in 1993, Sarah has amassed vast experience as a practitioner, lecturer and author. She is an Associate Fellow of the British Psychological Society, a Founding Member of the Association of Business Psychologists, a graduate lecturer at Anglia Ruskin University, and received the award for 'Outstanding Contribution to Positive Work Practices' at the Global Strengthscope Practitioner Conference 2017.