Marc SteenMarc Steen is a senior scientist at TNO, an independent research organization in the Netherlands (http://www.tno.nl). He studied Industrial Design Engineering at Delft University of Technology and worked at Philips and KPN. In 2008, he defended his PhD dissertation, 'The Fragility of Human-Centred Design' at Delft University of Technology, which he wrote within the practitioners' PhD program in organization studies at the University of Humanistic Studies (Utrecht, The Netherlands). His interests include human-centred design, participatory design, co-design, open innovation and innovation management. He is keen to engage in critical reflection on projects, drawing from science and technology studies, organization studies and philosophy.