- 2023 – Cartagena, Colombia
- 2022 – Kolkata, India
- 2021 – Nice, France
- 2020 – Iowa, USA
- 2019 – Venice, Italy
- 2018 – Washington, DC, USA
- 2017 – Melbourne, Australia
- 2016 – Prague, Czech Republic
- 2015 – Brooklyn, NY, USA
- 2014 – Beijing, China
- 2013 – San Francisco, CA, USA
- 2012 – Barcelona, Spain
- 2011 – Chicago, IL, USA (Proceedings)
- 2010 – Rotterdam, The Netherlands (Proceedings)
- 2009 – Boston, MA, USA (Proceedings)
- 2008 – Paris, France (Proceedings)
- 2007 – Washington, DC, USA (Proceedings)
- 2006 – Arlington, VA, USA (Proceedings)
- 2004 – Washington, DC, USA (Proceedings)
- 2002 – Washington, DC, USA (Proceedings)