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Welcome to OMEGA - The International Journal of Management Science.

Editor-In-Chief (2003 – present):

Prof. Ben Lev Professor, Decision Sciences LeBow College of Business Drexel University Philadelphia, PA 19104 USA 215.895.0322 OmegaJournal@drexel.edu Last updated Dec 31, 2024

Past Editors-in-Chief:

Samuel Eilon (1923-2020) 1973-1993

George H. Mitchell 1993-2000

Lawrence M. Seiford 2000-2003

Year Impact Factor 5-Year Impact Factor     CiteScore

2005 .648

2006 .663

2007 1.327 1.452

2008 2.175 2.367

2009 3.101 3.235

2010 3.467 3.733

2011 3.338 3.622

2012 3.024 3.474

2013 3.190 3.626

2014 4.376                  4.139                                8.4

2015      3.962                  4.289                                9.4

2016      4.029                  4.671                                9.7

2017      4.311                  5.525                               10.0

2018      5.341                  6.318                               10.7  

2019      5.324                  6.551                               10.9

2020      7.084                  8.551                               11.7

2021      8.673                  8.939                               11.5

2022      6.9                      7.8                                   13.8

2023      6.7                      7.0                                   13.8