ATMCS2 - Algebraic Topological Methods in Computer Science II. University of Western Ontario, Canada; 16--20 July 2004. Spring Topology and Dynamical Systems Conference 2003 - Lubbock, Texas, USA; 20--22 March 2003. Three Dimensional Geometry and Topology - Oxford University, UK; 9--11 August 2004. IV Iberoamerican Conference on Topology and its Applications - University of Coimbra, Portugal; 18--21 April 2001. Spring 2001 Meeting of the PNGS - Pacific Northwest Geometry Seminar and Wasatch Topology Conference joint meeting. University of Utah, Salt Lake City, UT, USA; 28--29 April 2001. Cascade Topology Spring 2001 Meeting - Boise State University, Boise, Idaho, USA; 19--20 May 2001. ITES2001 - Fourth Italian-Spanish Conference on General Topology and its Applications - University of Padova, Bressanone, Italy; 27--30 June 2001. Structured Ring Spectra and their Applications - University of Glasgow, Scotland, UK; 21--25 January 2002. Function Spaces, Proximities and Quasi-Uniformities - On the occasion of Som Naimpally's 70 birthday. Seconda Università degli Studi di Napoli - S.U.N, Italy; 14--18 September 2001. Spring Topology and Dynamics Conference - University of Texas, Austin, Texas, USA; 21--23 March 2002. Braids in Cortona - Cortona (Arezzo), Italy; 19--22 June 2002. GLK8 - Great Lakes K-theory Conference, VIII. University of Illinois, Urbana-Champaign; 27 April 2002. 19th Annual Workshop in Geometric Topology - Calvin College, Grand Rapids, Michigan; 13--15 June 2002. The Topology of 3-Manifolds - Special session of the AMS-UNI meeting. Pisa, Italy; 15,17 June 2002. 2002 Summer Topology Conference - Auckland, New Zealand; 1--4 July 2002. Topology in Matsue - Joint with the Second Mexico-Japan Topology Symposium. Shimane University, Matsue City, Japan; 24--28 June 2002. Geometric Topology - (A Satellite Conference of ICM 2002.) Shanxi Normal University, Xi'an, China; 12--16 August 2002. 5-th Conference on Geometry and Topology of Manifolds - Krynica, Poland; 27 April -- 3 May 2003. Topology of Manifolds of Dimensions 3 and 4 - In honour of the 60th birthday of Andrew Casson. University of Texas at Austin, USA; 19--21 May 2003. Homotopy Theory and its Applications - Fields Institute Program. University of Western Ontario, London, Ontario, Canada; September 2003. GLK10 - Great Lakes K-theory Conference X. University of Illinois at Urbana-Champaign, USA; 8--9 May 2004. IU Midwest Topology Conference - Indiana University, Bloomington, USA; 1 May 2004. Topology Meetings - The Wasatch Topology Conference and 20th Annual Workshop in Geometric Topology. Park City, Utah, USA; 9--14 June 2003. Wasatch Topology Conference Spring 2004 - Nineteenth semiannual meeting. University of Utah, Salt Lake City, UT, USA; 21--22 May 2004. Midwest Topology Conference Spring 2003 - Urbana-Champaign, IL, USA; 26 April 2003. V Iberoamerican Conference in Topology and its Applications (Lorca, Spain) - Lorca, Murcia, Spain; 10--14 June 2003. String Topology and Hochschild Homology; Applications to Mathematical Physics (Almeria, Spain) - Summer School on Applications to Mathematical Physics. University of Almería, Spain; 16--20 September 2003. Trace Methods in Algebraic K-Theory - Muenster, Germany; 29 September -- 3 October 2003. 19th British Topology Meeting - University of Glasgow, UK; 13--14 September 2004. Topology and its Applications - 3rd Japan-Mexico joint meeting. Oaxaca, México; 6--10 December 2004. Groups, Homotopy and Configuration Spaces - A conference in honor of the 60th birthday of Fred Cohen. University of Tokyo, Japan; 5--11 July 2005. Homotopy Methods in Algebraic Topology. - University of Colorado, Boulder, USA; 20--24 June 1999. Photos, proceedings. Colloquium on Topology - Dedicated to the 60th birthday of István Juhász. Budapest, Hungary; 8--13 August 2003. New Contexts for Stable Homotopy Theory - Isaac Newton Institute for Mathematical Sciences, Cambridge, UK; September -- December 2002. Braids - Program at the Institute for Mathematical Sciences, Singapore; 14 May -- 13 July 2007. Topology of Arrangements and Applications - MSRI, Berkeley, CA, USA; 4--8 October 2004. Topological Aspects of Real Algebraic Geometry - Research semester, MSRI , Berkeley, CA, USA; 2 January -- 14 May 2004. Axiomatic, Enriched and Motivic Homotopy Theory - A NATO Advanced Study Institute. Isaac Newton Institute, Cambridge, UK; 9--20 September 2002. K-theory and Arithmetic - Isaac Newton Institute, Cambridge, UK; 30 September -- 4 October 2002. Elliptic Cohomology and Chromatic Phenomena - Euroworkshop. Isaac Newton Institute, Cambridge, UK; 9--20 Dec 2002.