Past

1984: 1st International Conference on Social Dilemmas. Groningen, The Netherlands

1986: 2nd International Conference on Social Dilemmas. Nags Head, North Carolina, USA.

1988: 3rd International Conference on Social Dilemmas. Groningen, The Netherlands.

1990: 4th International Conference on Social Dilemmas. Sapporo, Japan.

1993: 5th International Conference on Social Dilemmas. Bielefeld, Germany.

1995: 6th International Conference on Social Dilemmas. Wassenaar, The Netherlands.

1997: 7th International Conference on Social Dilemmas. Cairns, Australia.

1999: 8th International Conference on Social Dilemmas. Zichron-Yaakov, Israel.

2001: 9th International Conference on Social Dilemmas. Chicago, USA.

2003: 10th International Conference on Social Dilemmas. Marstrand, Sweden

2005: 11th International Conference on Social Dilemmas. Krakow. Poland

2007: 12th International Conference on Social Dilemmas. Seattle, USA.

2009: 13th International Conference on Social Dilemmas. Kyoto, Japan

2011: 14th International Conference on Scial Dilemmas.  Amsterdam, The Netherlands

This 2011 conference was attended by over 140 people from 19 countries. For a list of participants of the 14th ICSD, and their emails, see here.  For pictures of the conference (such as the one below),
see here (for first day) and here (for second day).