11.      Transition workshop on Financial Mathematics, Statistical and Applied Mathematical Sciences Institute (SAMSI), Research Triangle Park, NC, Feb. 27-28, 2006

10.      Opening workshop on Financial Mathematics, Statistical and Applied Mathematical Sciences Institute (SAMSI), Research Triangle Park, NC, September 18-21, 2005

9.         IMA Workshop: Future Challenges in  Multiscale Modeling and Simulation, University of Minnesota, MN,  November 18-20, 2004.

8.         NSF/CBMS Regional Conference on  Stochastic Partial Differential Equations and Their Applications, Illinois Institute of Technology, Chicago, Illinois, May 19-23, 2003.

7.         NSF/CBMS Regional Conference on Super Convergence in Finite Element Methods, Texas Tech. University, Lubbock, Texas, May 22-26, 2000.

6.         Mathematics of Imaging, Mathematical Sciences Research Institute, Berkeley, CA, Nov. 1-5, 1999.

5.         Parallel Symbolic Computation, Mathematical Sciences Research Institute, Berkeley, CA, October 1-4, 1998.

4.         Introduction to Computational Sciences: Modeling and Simulation, Shoder Computational Science Institute, North Carolina Central University, Durham, North Carolina, June 7- June 18, 1998.

3.        NSF/CBMS Regional Conference on Hamiltonian Differential Equations. Colorado School of Mines, Golden Co, June 2-6, 1997

2.         Parallel Computing, University of Central Florida, Orlando, May 23-June 4,1993.

1.         Supercomputing and Undergraduate Education for Science and  Engineering, at Supercomputer Center, University of California San Diego, July, 13-17, 1992.