David Liddle is CEO of The TCM Group and founding president of the Institute of Organizational Dynamics. He is the author of the newly published book 'Transformational Culture' (Kogan Page). David has developed significant expertise and authority in the areas of organisational dynamics, conflict resolution and transformational culture. David has spent the last 30 years reframing HR systems, management processes, and leadership behaviours, with the aim of putting purpose, people and values at the heart of organisations.