(2018) Put to the test: critical evaluations of testing, (organised with D. Stark), Sociological Review Seminar, suported by the ERC Advanced Grant Blindspot, Warwick in London, 10 and 11 December.
(2016) How to Map Issues? Centre for Interdisciplinary Methodologies/ESRC Doctoral Training Centre, University of Warwick, 14-15 September.
(2014) Inventing the Social, Celebrating 10 years of the Centre for the Study of Invention and Social Process (with M. Guggenheim and A. Wilkie), May 29-30,
(2010) After Markets: Researching Hybrid Arrangements (with Linsey McGoey), Oxford Saïd Business School, April 23,
(2008) The Physique of the Public, Sociology/Centre for the Study of Invention and Social Process, Goldsmiths, University of London, June 6,
(2003) Next 5 Minutes 4, international festival on tactical media (with David Garcia, Erik Kluitenberg, Menno Grootveld and others), De Balie, Amsterdam, 11-14 September,
(2001) Better than Fantasy: Reality engineering and the Computer (with Arie Altena, Paul Groot, Arjen Mulder, Dirk van Weelden, Jorinde Seijdel and Willem Velthoven). Amsterdam/Maastricht Summer University/Mediamatic Foundation, Felix Meritis, Amsterdam, 31 Aug – 2 Sept,