Editor-in-Chief
| 01/2009 — present | Editor-in-Chief of ACM SIGSIM Modeling and Simulation Knowledge Repository |
| 09/1993 — 12/2002 | Founding Editor-in-Chief of Annals of Software Engineering, an international journal published by Kluwer Academic Publishers, New York, NY |
| 08/1996 — 12/2000 | Founding Editor-in-Chief of World Wide Web, an international journal published by Baltzer Science Publishers, Amsterdam, The Netherlands |
Editor
| 03/1990 — present | Area Editor of ACM Transactions on Modeling and Computer Simulation (TOMACS) |
| 04/1985 — present | Simulation and Modeling Category Editor of ACM Computing Reviews |
| 08/2003 — 06/2008 | Area Editor of Simulation: Transactions of the Society for Modeling and Simulation International |
| 03/1993 — 12/2008 | Associate Editor of Transactions on Operational Research |
| 05/1995 — 07/1997 | Guest Editor of ACM Transactions on Modeling and Computer Simulation for a special issue on “Simulation for Training: Foundations and Techniques.” |
| 11/1992 — 12/1994 | Editor of ORSA CSTS Newsletter, the newsletter of the ORSA Computer Science Technical Section |
| 06/1992 — 11/1993 | Feature Article Editor of ORSA Journal on Computing |
| 02/1992 — 12/1994 | Guest Editor of a yearly volume of Annals of Operations Research journal on Simulation and Modeling |
| 05/1991 — 09/1997 | Associate Editor of INFORMS Journal on Computing |
| 10/1983 — 03/1986 | Associate Editor of Simuletter, a publication of ACM Special Interest Group on Simulation (SIGSIM) |
Editorial Board Member
| 07/2009 — present | Member of the Editorial Board of the Global Journal of Computer Science and Technology |
| 07/2005 — present | Member of the Editorial Board of Journal of Simulation (JoS) |
| 01/2004 — present | Member of the Editorial Board of International Journal of Simulation and Process Modeling |
| 01/1996 — present | Member of the Editorial Board of Mathematical and Computational Applications, an international journal |
| 08/1995 — 12/2003 | Member of the Editorial Board of The Interactive Transactions of OR/MS (ITORMS) — an electronic journal of INFORMS |
| 04/1992 — 12/2000 | Member of the Editorial Advisory Board of Operations Research / Computer Science Interfaces – A book series published by Kluwer Academic Publishers, Norwell, MA |
| 02/1987 — 12/1991 | Member of the Editorial Board of Advances in Computer Simulation and Modeling – A book series published yearly by Ablex Publishing Corporation, Norwood, NJ |











