Steffen R. Giessner is Associate Professor at the Rotterdam School of Management, Erasmus University. He holds a MSc in Psychology from the University of Kent at Canterbury, U.K. and a PhD in Psychology from the Friedrich-Schiller-Universität Jena, Germany. His research is located at the intersection of organizational and social psychology and is focused on follower's perceptions of leadership, ethical leadership, antecedents of leader behaviour, and employee support during organizational merger. He has authored or co-authored papers in the areas of social psychology, organizational behaviour and management.

In 2011 he was a speaker at the "Estoril Conferences Academy: Ethics and Global Leadership for the XXIst Century" (May, 4th).