Marjolein B.A. van Asselt is Risk Governance chair, Faculty of Arts and Social Sciences, Maastricht University, and member of the Scientific Council for Government Policy (WRR), The Hague. Susan A. van 't Klooster is a researcher at the Institute for Environmental Studies (IVM), VU University in Amsterdam. Philip W.F. van Notten currently works as a senior civil servant. Livia A. Smits works at the Foundation for the History of Technology, based at Eindhoven University.