Joop van der Pligt (1951-2015) was a full professor of Social Psychology. He obtained his PhD at the University of London. Subsequently he worked for the Institute of Environmental Studies of the Free University at Amsterdam, Exeter University and the University of Amsterdam. He was a visiting professor at the University of Surrey (UK). Joop unexpectedly passed away on January 9, 2015.
His research focused on risk perception and the acceptability of risks. Both health-related risks, as well as large scale societal risks received considerable attention in his research. Together with Frenk van Harreveld he studied causes and consequences of attitudinal ambivalence. His research also addressed risk communication and its impact on both the acceptability of risk and behavioral change.