This presentation provides an introduction to the field of Organisational Behaviour, explores individual and interpersonal behaviour, group and team processes, leadership models and styles, and organisational processes. It also includes a case study analysis of Thames Valley building society. The presentation highlights the importance of effective communication, workplace attitudes and values, job satisfaction, employee motivation, group dynamics, power and politics, conflict and negotiation, and leadership in organisational behaviour. It concludes with the need for competent leadership and management practices in improving organisational behaviour.