Alexandra Gerbasi is Professor of Leadership at the University of Exeter Business School, UK, Deputy Pro-Vice Chancellor and Dean of the Business School. Her research focuses on the effects of positive and negative network ties within the workplace, and their effects on performance, leadership, well-being, thriving, affect, and turnover. Cécile Emery is Senior Lecturer in Leadership at the University of Exeter Business School, UK. Her research uses advanced social network techniques – exponential random graphs and longitudinal network analysis – to study relationships in the workplace and, more precisely, the relationship that leaders develop with their followers. Andrew Parker is Professor of Leadership at Durham University Business School, UK. His research uses the lens of network theory to understand problem solving processes, knowledge transfer, turnover, performance and well-being within organizations.