Katalien Bollen is assistant professor at the University of Maastricht (ERD). She is also affiliated to the University of Leuven, Fellow of the Leuven Centre for Collaborative Management (LCM) and involved in different executive master programs on mediation nationally and internationally. Katalien obtained her PhD at the University of Leuven entitled: Mediation in hierarchical labor conflicts. Her research focuses on conflict management (esp. mediation), teams and the use of online tools in conflict resolution. Special attention is granted to the impact of power and hierarchy. Currently, she coordinates a research project which focuses on informal learning, teamwork and its impact on sustainable employability. Katalien is a trained and certified mediator.Martin C. Euwema is Full Professor in Organizational Psychology at KU Leuven. He is specialized in conflict management, organizational change and (international) leadership. He is chair of the research group Occupational and Organizational Psychology and Professional Learning, and co-director of the Leuven Center for Collaborative Management (LCM). He is past-president of the International Association for Conflict Management and visiting professor at Tsinghua University (Beijing), Ieseg Business School (Paris) and University of Kopenhagen (Denmark). He is (co)author of more than 120 publications and is an experienced consultant and mediator.Lourdes Munduate is Full Professor of Organizational Psychology at the University of Seville. Her research focuses on conflict management, negotiation, power dynamics, and employment relations. She is member of the Executive Committee of the International Association of Applied Psychology (IAAP) and Chair of the Spanish Research Agency for Psychology (ANEP). She is serving as member of the Specialist European Awarding Committee (SEAC) of the EuroPsy Specialist Certificate in Work and Organizational Psychology. She is past-dean of the Psychology Faculty, past-pro-rector for international relations, and she holds the Lifetime Achievement Fama Award by University of Seville.