Dr Rachel Morrison runs the Organizational Behavior program within the Business School of AUT University, New Zealand. She is an active and founding member of the Wellbeing and Performance Research Group within the NZ Work Research Institute (NZWRI). Her degrees are in Psychology and Organizational Psychology and she has previously taught within psychology departments at the University of Auckland and Massey University. She has published articles in a variety of academic Management and Psychology journals and co-edited a previous, related volume Friends and Enemies in Organizations: A Work Psychology Perspective. Dr Morrison's research interests include workplace relationships, friendship formation, engagement, social capital and liability, and social networks.   Helena Cooper-Thomas is a Senior Lecturer and Director of Postgraduate Studies in Industrial Work and Organizational Psychology at the University of Auckland, New Zealand. Helena's research interests focus primarily on new employees and employee-employer relations. She publishes in the areas of newcomer adjustment and organizational socialization, the development of the psychological contract and person-organization fit, work engagement, and stress and bullying. She has published her research in a number of respected applied psychology, organizational behaviour, and human resources journals including Academy of Management Journal and Journal of Vocational Behavior. Helena has also provided consulting to a range of private and public sector organizations in various countries.