Conference links (of my interest):

The 18th International Conference on Difference Equations and Applications, Barcelona, Catalonia, Spain, July 23-27, 2012.
The 5th Shanghai International Symposium on Nonlinear Sciences And Applications, Funan University, Shanghai, June 27-July 3, 2012.
The Sixth International Conference on Recent Advances in Applied Dynamical Systems, Guangzhou University, Guangzhou, China, June 25-27, 2012.
International Symposium On Delay Differential Equations , Hunan University, Changsha, China, June 15-18, 2012.
2012 Spring Eastern Sectional Meeting, George Washington University, Washington, DC, March 17-18, 2012.
2011 Canadian Mathematical Society Winter Meeting, December 10-12, 2011, Delta Chelsea Hotel, Toronto.
Current Topics Workshop: Spatio-Temporal Dynamics in Disease Ecology and Epidemiology, October 10-14, 2011, MBI, Ohio State University, Columbus, Ohio.
The 3rd International Conference On Math Modeling & Analysis, October 7-9, 2011, Trinity University, San Antonio, Texas.
The 5th G. J. Butler International Conference on Mathematical Biology and Differential Equations, University of Alberta, Edmonton, July 25-30, 2011.
The 7th International Congress on Industrial and Applied Mathematics (CIAM 2011)>, July 18 – 22, 2011, Vancouver Convention Centre.
The 9th Colloquium on the Qualitative Theory of Differential Equations Szeged, Hungary, June 28-July 1, 2011.
The Fifth International Conference on Recent Advances in Applied Dynamical Systems, May 16-18, 2011, Shanghai. (Or go to this more reliable site)
The 2011 CTS Workshop on Dynamical Systems, May 12-14, 2011 National Center for Theoretical Sciences, Hsingchu, Taiwan.
The Fourth International Conference on Recent Advances in Applied Dynamical Systems, June 16-20, 2010, Zhejiang Normal University Jinhua, Zhejiang Province, P. R. China

Some past conferences I co-organized:

Current Topics Workshop: Spatio-Temporal Dynamics in Disease Ecology and Epidemiology, October 10-14, 2011, MBI, Ohio State University, Columbus, Ohio.

CAIMS 2009, June 2009, University of Western Ontario, London, Ontario.

International Conference on Recent Developments in Differential Equations and Applications, July 17-21, 2006, Guangzhou University, P. R. China.

Workshop on Modeling the Rapid Evolution of Infectious Diseases: Epidemiology and Treatment Strategies, May 14-17, 2005, University of Western Ontario, London, Ontario.

International Conference On Nonlinear Dynamics and Evolution Equations, July 6-10, 2004, Memorial University of Newfoundland, St. John's, Newfoundland and Labrador, Canada.

Internatinal Conference on Nonlinear Dynamicsa and Analysis, July 12-16, 2003, Hunan University, Changsha, Hunan, China.

The 7th International Conference on Difference Equations and Applications, August 12-17, 2002, Hunan University, Changsha, China (a satellite conference of ICM 2002).

Trends in Differential Equations and Dynamical Systems, October 22-24, 1999, St. John's, NF, Canada.