Interesting (to me) workshops and conferences in Approximation Theory, Spline Theory, CAGD, Computational Geometry, Wavelets, Radial Basis Functions, Numerical Analysis:

In 2010
13th International Conference Approximation Theory San Antonio, TX, March 7-10, 2010

International Conference on Curves and Surfaces Avignon, France, June 24-30, 2010.

Multivariate Approximation and Interpolation. Edinburgh, UK, September 6-10, 2010.

In 2008
Fifth European Congress of Mathematics Amsterdam, Holland, July 14-18, 2008. In particular minisymposium "Discrete Structures in Geometry and Topology"

Seventh International Conference on Mathematical Methods for Curves and Surfaces Tonsberg, Norway, June 26 - July 1, 2008.

Foundations of Computational Mathematics Hong Kong, China, June 16-26, 2008.

In 2007:
Workshop "Modern Approaches in Asymptotics of Polynomials" International Research Station, Banff, Canada, November 11-16, 2007.

Tenth SIAM Conference on Geometric Design & Computing San Antonio, Texas, November 4-8, 2007.
Within this conference I organized a mini symposium "Error analysis for adaptive mesh generation".

Workshop "Constructive Funtion Theory" SHSU, Huntsville, Texas, October 26-27, 2007.

Workshop "Approximation and Learning in High Dimensions" Texas A&M, College Station, Texas, October 19-21, 2007.

6th International Congress on Industrial and Applied Mathematics Zurich, Switzerland, July 16-20, 2007.

Twelfth International Conference Approximation Theory San Antonio, Texas, March 4-8, 2007.
Within this conference I organized a mini symposium "Spline Approximation and Quadrature Formulae".

Fourth International Conference on Multivariate Approximation: Theory and Applications Cancun, Mexico, April 26 - May 1, 2007.

Extremal Problems in Complex and Real Analysis Moscow, Russia, May 22-26, 2007.

6th International Congress on Industrial and Applied Mathematics Zurich, Switzerland, July 16 - 20, 2007.

The International Conference on Approximation Methods and Numerical Modelling in Environment and Natural Resources Granada, Spain, July 11-13, 2007.