Maarten Franssen is associate professor at the Section of Philosophy at Delft University of Technology. His research interests include the relation between philosophy of technology and philosophy of science, the nature of normativity in relation to artefacts and their use, the metaphysics of artefacts, the analysis of technology as concerned with instrumental and sociotechnical systems, and the analysis of design as decision-making and its problems. Pieter Vermaas is associate professor at the Department of Philosophy at Delft University of Technology. His research in the philosophy of technology includes analyses of the concepts of technical function and of technical artefacts, and more recently the study of the structure, aims, and validation of design methods and design thinking. He co-edits the journal Design Science, and edits two book series: Philosophy of Engineering and Technology, and Design Research Foundations. www.pietervermaas.nl Peter Kroes is full professor at the Department of Philosophy of Technology at Delft University of Technology. His main interests in the field of the philosophy of technology are the dual nature of technical artefacts and the philosophy of engineering design. He is one of the co-editors of the book on the empirical turn in the philosophy of technology. http://www.tbm.tudelft.nl/en/about-faculty/departments/values-technology-and-innovation/sections/ethicsphilosophy-of-technology/staff/profdrir-pa-peter-kroes/ Anthonie Meijers is full professor at the Department of Philosophy and Ethics of Eindhoven University of Technology. His main interests in the field of the philosophy of technology are the theory of artefacts, agency and artefacts, and the epistemology of technology. He is one of the co-editors of the book on the empirical turn in the philosophy of technology and the editor in chief of the Handbook Philosophy of Technology and Engineering Sciences (2009).