ISOS's conference series has a long an venerable history. Past conferences are as follows:
Social Ontology 2023, Stockholm
Social Ontology 2022 / Collective Intentionality XIII, Vienna
Social Ontology 2021, San Diego
Social Ontology 2020, Neuchatel
European Network for Social Ontology V, 2017, Lund
Collective Intentionality X, August 30-Sept. 2, 2016, The Hague, Netherlands
European Network for Social Ontology IV September 24-26, 2015, Palermo, Sicily
Collective Intentionality IX, September 10-14, 2014, Bloomington, Indiana, USA
European Network for Social Ontology III, October 23-25, 2013, Helsinki, Finland
Collective Intentionality VIII, August 28-31, 2012, Manchester, England
European Network for Social Ontology II, September 21-23, 2011, Rome, Italy
Collective Intentionality VII, August 23-26, 2010, Basel, Switzerland
European Network for Social Ontology I, October 16-17, 2009, Konstanz, Germany
Collective Intentionality VI, July 8-11, 2008, Berkeley, CA, USA
Collective Intentionality V, Aug. 31-Sept. 2, 2006, Helsinki, Finland
Collective Intentionality IV, 2005, Siena.
Collective Intentionality III, 2002, Rotterdam.
Collective Intentionality II, 2000, Leipzig.
Collective Intentionality I, 1999, Munich.