Groups, Homotopy and Configuration Spaces
A conference in honor of the 60th birthday of Fred Cohen. University of Tokyo, Japan; 5--11 July 2005.

Graduate Student Topology Conference
Northwestern University, Evanston, IL, USA; 9--10 April 2005.

Topology and its Applications
3rd Japan-Mexico joint meeting. Oaxaca, México; 6--10 December 2004.

The Arithmetic of Structured Ring Spectra
Barony Rosendal, Norway; 19--28 August 2005.

SumTopo 2005
Summer Conference on Topology and its Applications. Denison University, Granville, OH, USA; 10--13 July 2005.

Low-Dimensional Topology
University of Virginia, Charlottesville, VA, USA; 15--19 December 2004.