Manuel Graça is Associate Professor of Management at the University of Porto, Faculty of Economics and Management, in Portugal. He holds a PhD in Behaviour in Organisations from Lancaster University, and his current research interests are mainly in leadership, organizational change, organizing for creativity and innovation, and sustainability in organizations. He has previously lectured at the University of Minho, Portugal, and researched and taught at Lancaster University, UK, besides being a visiting scholar at the University of California Berkeley.