- Chair: SIAM Board of Trustees (2012-present)
- Member: SIAM Board of Trustees (2011-present)
- SIAM Vice President for Publications (2006 - 2009)
- Member: SIAM Council (2002 - 2009, 2012-present)
- Vice Chair: SIAM Activity Group on Optimization (1992 - 1997).
- Chair: SIAM Activity Group on Optimization Prize Award Committee, 1992, 1995.
-
SIAM Review (2011 -- 2016)
Editor-in-Chief, (2011 - 2016). -
SIAM Journal on Optimization (1990 - 2007)
Editor-in-Chief, (2000 - 2004). - SIAM Journal on Numerical Analysis (1998 - 2003, 2005 - present)
- SIAM Book series on Fundamentals of Algorithms (2003 - present)
- SIAM Book Editorial Board (2009 - present)
- SIAM-MPS Book Series on Optimization (1999 -- 2003, 2005 - 2010)
- Advances in Water Resources (2001 - present)
-
Pacific Journal of Optimization (2004 - present)
co-Editor (2009 - present) - Optimization and Engineering (1999 - 2007).
- Journal of Optimization Methods and Software (1991 - 1996).
-
.
- Member: Organizing committee for the 2016 Copper Moutain Conference on Iterative Methods.
- Member: Organizing committee for the 2014 Copper Moutain Conference on Iterative Methods.
- Member: Organizing committee for the 2012 Copper Moutain Conference on Iterative Methods.
- Member: Steering committee for the
19th High Performance Computing Symposium (HPC 2011)
- Member: Organizing committee for the 2010 Copper Moutain Conference on Iterative Methods.
- Member: Organizing committee for the 2008 Copper Moutain Conference on Iterative Methods.
- Member: Organizing committee for the 2006 Copper Moutain Conference on Iterative Methods.
- Co-chair: Organizing committee for the 2005 SIAM Annual Meeting
- Member: Organizing committee for the First Mathematical Programming Society International Conference on Continuous Optimization
- Member: Organizing committee for the 2004 Copper Moutain Conference on Iterative Methods.
- Member: Organizing committee for the 2002 Copper Moutain Conference on Iterative Methods.
- Member: Organizing committee for the 2000 Copper Moutain Conference on Iterative Methods.
- Co-Chair: Organizing committee for the 1999 SIAM Conference on Optimization.
- Co-Chair: Organizing committee for the 1997 SIAM-SEAS meeting, Raleigh, NC, April 4-5, 1997.
- Member: Organizing Committee for the 1995 SIAM National Meeting, October 23-26, 1995, Charlotte, NC
- Co-Organizer: Workshop on Krylov Subspace Methods and Applications, Raleigh, NC, March 17-18, 1995. Jointly organized with I. C. F. Ipsen.
- Member: Organizing Committee, Twelfth Parallel Circus, North Carolina Supercomputing Center, Research Triangle Park, North Carolina, October 30-31, 1992.
- Chair, Organizing Committee: Conference on Numerical Optimization Methods in Differential Equations and Control, Raleigh, July 15 - 17, 1991.
- Organizer: Minisymposium on Recent Advances in Nonlinear Solvers, 2008 SIAM Annual Meeting , San Diego, CA, July 7--11, 2008.
- Organizer: Minisymposium on Optimization for Geosciences Problems, SIAM Conference on the Geosciences Sante Fe, NM, March 19, 2007.
- Organizer: Invited Session on Applications of Optimization, INFORMS International Meeting, Hong Kong, China, June 25--28, 2006.
- Organizer: Minisymposium on Numerical Continuation Methods and Applications, 2005 SIAM Annual Meeting, New Orleans, LA, July 12, 2005.
- Organizer: Minisymposium on Optimization Methods for Groundwater Remediation, SIAM Conference on the Geosciences Avignon, France, June 7--10, 2005.
- Organizer: Session on Applications. Mathematical Programming Society 2004 Conference on Continuous Optimization, RPI, Troy, NY, Aug 2 -- Aug 4, 2004.
- Organizer: Minisymposium on Theory and Applications of Sampling Methods in Optimization. 2003 SIAM Annual Meeting, Montreal, Canada, June 16--20, 2003.
- Co-Organizer: Minisymposium on Computational Solvers for Problems in Geosciences . 2003 SIAM Conference on the Geosciences, Austin, Texas, March 17-20, 2003.
- Organizer: Minisymposium on Applications . SIAM 7th Conference on Optimization, Toronto, Canada, May 20-23, 2002.
- Co-Organizer: Minisymposia on Evolving Approaches for Modeling Porous Medium Dynamics and Optimization and Subsurface Flow and Transport , Sixth SIAM Conference on Mathematical and Computational Issues in the Geosciences, Boulder, CO, June 11, 2001.
- Organizer: Two sessions on optimization applications, International Symposium on Mathematical Programming, Atlanta, GA, August 9, 2000.
- Organizer: Minisymposium on Derivative Free Optimization, 1999 SIAM Conference on Optimization, Atlanta, GA, May 11, 1999.
- Organizer: Minisymposium on Large-Scale Computations in Groundwater Simulation, 1999 SIAM Conference on Mathematical and Computational Issues in the Geosciences, March 1999.
- Organizer: Four sessions on Novel Applications, International Symposium on Mathematical Programming, Lausanne, Switzerland, August, 1997.
- Co-Organizer: Mininisymposium on Nasty Nonsmooth Nonlinear Optimization, SIAM Annual Meeting, Stanford University, July 17, 1997.
- Organizer: Mininisymposium on Trust Region Methods for Problems with Simple Bounds, 1996 SIAM Optimization Meeting, Victoria, Canada, May 1996.
- Organizer: Minisymposium on Applications of Optimization, 1995 SIAM National Meeting, Charlotte, NC, October, 1995.
- Co-Organizer: Minisymposium on Industrial Application of Optimization Methods, Third International Conference on Industrial and Applied Mathematics, Hamburg, July, 1995. Jointly organized with E. W. Sachs.
- Organizer: Minisymposium on Integral Equations and Compact Fixed Point Problems, SIAM Annual Meeting, Philadelphia, PA, July 16, 1993.
- Organizer: Special Session on Numerical Optimization, AMS Meeting, Knoxville, TN, March 26-27, 1993.
- Organizer: Minisymposium on Optimization in Control and Differential Equations, SIAM Conference on Optimization, Chicago, Illinois, May 12, 1992.
- Co-organizer: Minisymposium on Nonlinear Equations and Optimization in Infinite Dimensional Spaces, International Conference on Industrial and Applied Mathematics, Washington, D. C., July 12, 1991. Jointly organized with E. W. Sachs.
- Organizer: Minisymposium on Infinite Dimensional Problems, First International Conference on Industrial and Applied Mathematics, Minisymposium no. 56, Paris, July 3, 1987.
- Co-organizer: Minisymposium on Quasi-Newton Methods in Infinite Dimensional Spaces, SIAM 1986 National Meeting, Boston, 7/24/86. Jointly organized with E. W. Sachs.
- Member: North Carolina Supercomputing Center Allocation Committee (1992-2003).
- Reviewer for several funding agencies and professional journals.
- Panel memember for Department of Energy and National Science Foundation programs.
- Reviewer for Mathematics Reviews.
Last modified: December 31, 1996 C. T. Kelley , Tim_Kelley@ncsu.edu