1993 Co-organizer, with A. Lewis, Workshop on Convexity, Monotonicity and Differentiability, Fields Institute, March 5-7.
1995 Member, International Scientific Advisory Committee for International Conference on Interaction between Order, Convexity and Model Theory in Analysis. North Ossetian State University, Vladikavkaz, Russia, June 1995.
1995 Co-organizer, with P. Borwein, Special Session on Experimental Mathematics, CMS Winter Meeting Simon Fraser, Dec. 9-11.
1995 Co-organizer, with P. Borwein, Workshop on Organic Mathematics, CECM and CRM, Simon Fraser, Dec. 12-14.
1996 Organizing Committee, SIAM Meeting on Optimization, Victoria, May 20-22.
1996 Organizing Committee, Fields Workshop on Homotopy Methods, SFU, May 23-25.
1997 Organizing Committee, Scholarly Communication in the Next Millennium, Simon Fraser (Harbour Centre), March 5-8.
1997 International Committee, IV Caribbean Conference on Approximation and Optimization, Caracas, March 17-21.
1998 Scientific Committee, Sixth Canadian Number Theory Conference, University of Manitoba, July.
1999 Co-organizer, Future of Mathematical Communication 1999, MSRI, Berkeley, December 1-5.
2000 Co-organizer, Multimedia Tools for Communicating Mathematics, (CMAF/UL), Lisbon, November 23-25, 2000.
2001 International Scientific Committee, Second International Conference on Nonlinear and Convex Analysis, Hirosaki City, Japan, July 28-Aug 1, 2001.
2001 Program Committee, First International Workshop on Mathematical Knowledge Management RISC Linz, Austria, September 24-26, 2001.
2002 Organizer, Fourth Annual Meeting and Workshop (Managing the Digital Literature) of the CEIC, Wosk Centre for Dialogue, February 15-17, 2002.
2002 Scientific Committee, ICM Satellite Meeting on (Electronic Information and Communication), Beijing, August 29-31, 2002.
2002 Scientific Committee, ICM (CEIC Afternoon), Beijing, August 26, 2002.
2003 Organizer, ICIAM 2003 Minisymposium on Advanced Collaborative and Visualization Environments, Sydney, July 7-11, 2003.
2004 Chair Scientific Committee, Formal Power Series and Algebraic Combinatorics: an International Combinatorics Conference (FPSAC 2004), Vancouver, June 28-July 2, 2004.
2004 Co-organizer, First Experimental Mathematics Workshop, Oakland, March 29-30, 2004.
2004 Co-organizer, First AGATE-M annual meeting Mount Allison, December 3-4, 2004.
2005 Scientific Committee, 10th Workshop on Well-posed Optimization Problems, Borowetz, Bulgaria Sept 9-14, 2005.
2005 Steering Committee, CFI Workshop to determine the form of the National Platform Fund, October 19th, 2005.
2006 Organizer, MAA Shortcourse on Experimental Mathematics, San Antonio, January 10-11, 2006.
2006 Co-chair Programme Committee, 2006 World Mathematical Knowledge Management Conference, UK. ICM Satellite Meeting, England, August 10-12, 2006.
2006 Scientific Committee, Digitization in Mathematics, ICM. Satellite Meeting, Aviero, Portugal, August 15-17, 2006.
2007 Scientific Committee, CODE conference (Conference on Optimization and Decision making) Institut Henri Poincaré, April 18-20, 2007 (http://www.ihp.jussieu.fr/).
2008 Scientific Committee, The Mathematical Interests of Peter Borwein IRMACS, Burnaby BC, Canada, May 12-16, 2008.
2010- Member Melbourne, Australia Bid Committee 2015 International Symposium on Mathematical Programming (ISMP).
2011-13 Director ANZIAM 2013, Feb 3-7, Newcastle.
2012 Programme Committee of eResearch Australasia 2012, empowering eResearch. 28 Oct - 1 Nov 2012, SMC Centre, Sydney.
2012 Conference Program Advisory Board, NSF-ICERM Workshop on Reproducibility in Computational and Experimental Mathematics. Providence RI, Dec 10-12, 2013.
2012-13 Conference Program Advisory Board, AustMS Meeting 2013. Sydney, Sept 30 - Oct 3, 2013.
2013-14 Organizer (with DH Bailey) NSF-ICERM Workshop on ``Challenges for 21st Century Experimental Mathematical Computation." Providence RI, July 21-25, 2014. (http://icerm.brown.edu/tw14-5-cemc).
2013-15 Conference Program Advisory Board, AustMS Meeting 2015. Flinders University, September 2015.
2014- Prize Committee Member, Mathematical Prize of Bulgarian Academy of Science.
2013-15 Conference co-organizer, South Pacific Continuous Optimization Meeting. University of South Australia, February 6-9, 2015.
2014-15 Conference Program Committee, International Conference on Variational Analysis and Optimization in honour of Terry Rockafellar's 80th birthday, University of Limoges, May 18-22, 2015.
2014-16 Scientific Committee, 7th International Seminar on Optimization and Variational Analysis (OVA7), Alicante University, June 2-3, 2016. (In honour of Michel Thera turning 70.)
2016-17 Scientific Committee, 7th Workshop on High-Dimensional Approximation, UNSW Sydney, Australia, February 13-17, 2017.