Referee (partial list)

ACM J. of Experimental Algorithmics
ACM-SIAM Symposium on Discrete Algorithms (SODA)
Annals of Discrete Mathematics
Annals of Mathematics and Artificial Intelligence
Annals of Operations Research
Applied Artificial Intelligence
Canadian National Science and Engineering Research Council
Computational Optimization and Applications
Computers and Industrial Engineering
Computers and Operations Research
DIMACS Series on Discrete Mathematics and Theoretical Computer Science
Discrete Applied Mathematics
Dutch Research Council
European J. of Operational Research
Graph Drawing'96
Hong Kong Research Grants Council
IEEE/ACM Transactions on Networking
IEEE Symposium on Parallel and Distributed Processing
IEEE Symposium on Theory of Computer Science
IEEE Transactions on Semiconductor Manufacturing
IIE Transactions on Research
IMA J. of Mathematics Applied in Business and Industry
Indian J. of Pure and Applied Mathematics
INFORMS J. on Computing
Innovations in Financial and Economic Networks
International Conference on Complementarity Problems
International Transactions in Operational Research
Investigación Operativa
J. of Global Optimization
J. of Heuristics
J. of Optimization Theory and Applications
J. of the Operational Research Society
Latin American Theoretical Informatics (LATIN)
Management Science
Mathematical Modelling and Algorithms
Mathematical Programming
Mathematics of Industrial Systems
Metaheuristics International Conference (MIC)
National Science and Engineering Research Council of Canada
National Science Foundation
Operations Research
Operations Research Letters
Optimization Methods and Software
Pesquisa Operacional
R.A.I.R.O. - Operations Research
SIAM J. on Computing
SIAM J. on Optimization
SIAM J. on Scientific Computing
Swedish Research Council
Swiss National Science Foundation
Theoretical Computer Science J.
The Swedish Research Council
Viewpoints on Optimization
Workshop on Efficient and Experimental Algorithms (WEA)
Workshop on Randomization and Computation (RANDOM)