Philip Vergragt is an academic and activist; an Associate Fellow at Tellus Institute, Boston and a Research Professor at Marsh Institute, Clark University, Worcester, MA; he is a Professor Emeritus of Technology Assessment at Delft University of Technology, The Netherlands. He has co-authored more than one hundred scientific publications and four books. His main research interests are sustainable technological and social innovations in transportation, energy, and housing; grassroots innovations; socio-technical transitions; sustainable consumption and production; sustainable cities; and technology assessment of emerging technologies. In the last six years, he is a founding Board member of SCORAI, the North American (and European) Sustainable Consumption and Action Initiative; and a co-founder of NARSPAC, the North American Roundtable on Sustainable Production and Consumption. He organized two international GRF conferences (Rio 2012 and Shanghai 2014); the SCORAI 2016 conference at the University of Maine; and numerous smaller workshops for SCORAI and GRF. Vergragt obtained a PhD in Chemistry from the University of Leiden, the Netherlands, in 1976.