### Editor in Journals

- Editor-in-Chief in the journal Theoretical Computer Science (TCS) for the track A (Algorithms,Complexity,Automata and Games) , since July 15 , 2015.
- Editor in the ALGORITHMICA journal , starting August 2011.
- Editor in the Acta Informatica journal, starting Dec. 2014.
- Editor in the Computer Sciences Reviews journal of Elsevier.
- Editor of the Journal "Theory of Computing Systems (TOCS)".
- Co-Editor of the ICALP LNCS Volume 2010.
- Co-Editor of the LNCS Volume for the Symposium on Algorithmic Game Theory (SAGT) , 2010.
- Area Editor in various Lemmata in the Encyclopedia of Algorithms, 2008.
- Editor of the 2006 WINE (Internet and Network Economics) volume , LNCS, Springer
- Editor of the 2006 ACM SPAA Volume
- Co-Editor of the IPDPS 2006 Volume
- Editor of the Lecture Notes in Computer Science Volume 3560/05: Distributed Computing in Sensor Systems. Co-Editors: V. Prasanna, S. Iyengar, M. Welsh. ISBN 3-540-26422-1
- Area Editor in JPDC (J Parallel and Distributed Computing)
- Co-editor of TCS 291(1) 2003 with Shay Kutten
- Co-editor of the ICALP 2001 volume (LNCS Springer Verlag)
- Editor of the Volume 30, 1, 1997 of the Theory of Computing Systems Journal, Springer - Verlag
- Editor of the Lecture Notes in Computer Science Sept. 1995 "Algorithms", for the ESA 1995 conference (LNCS Springer Verlag).
- Editor of the 1996 SIROCCO volume with N Santoro
- Editor of the journal "Theoretical Computer Science"
- Editor of volume 277, Lecture Notes in Computer Science, "VLSI Algorithms and Architectures", Springer-Verlag, with F. Makedon, K. Mehlhorn, T. Papatheodorou.
- Editor of the volume 579 of Lecture Notes in Computer Science (Springer Verlag) of the proceedings of the 5th international workshop on Distributed Algorithms (WDAG 91) with S. Toueg and L. Kirousis
- Editor in the Algorithms Review Journal.
- Editor in the Computational Geometry Journal (Theory and Applications) of Elsevier Science Publishers (ended in Dec. 2014).
- Editor of The Parallel Processing Letters (PPL) journal.
- Editor of the Mathematical Systems Theory (MST) journal now called Theory of Computing Systems (TOCS).
- Editor of the volume 865 of TCSA (Theoretical Computer Science Algorithms) of the ESA 95 best papers (1998).
- Co-editor of the DISC 98 best papers volume in Theoretical Computer Science (TCS) journal.
- Editor in the International Journal of Intelligent Computing and Cybernetics.