Professional Organizations
  • Institute of Electrical and Electronic Engineers
    • Life Member, beginning when the IEEE was the IRE: Institute of Radio Engineers (50 years, 2011)
    • Member, Technical Committee on Operating Systems

  • Association for Computing Machinery -- 50-year-membership certificate, 2010.
    • One of the co-founders of SIGMETRICS
    • Co-Founder, Symposium on Operating Systems

  • IFIP Working Group 7.3 on Performance Evaluation and Modeling
    • Charter member, one of the co-founders
    • Membership committee, 1990-1995, 2002- (committee chair 2002-2009)
    • Board member, Computer Performance Foundation

  • DIMACS Institute
    • Chairman, Visitor Committee, 1994-1997
    • Member, Executive Committee, 1994-1997
Supporting Institutions

Note: Affiliations having an employee status are given on the home page. Affiliations in the role of Visiting Research Scientist are listed below; short-term visits (at least one week) fostering collegial research were supported at each. Government supported research studies, normally much more specific and shorter-term, are listed on the SERVICE page.


  • IBM Research Laboratory, Yorktown Heights, 1971 (6 weeks), Frank King host.
  • Institut de Recherche d'Informatique et d'Automatique, Paris, 1977 (4 weeks)
  • Bell Laboratories, Murray Hill, 1978 (1 week), M. Garey host.
  • Université de Paris VI, 1981 (4 weeks), Ph. Chretienne host.
  • Institut de Recherche d'Informatique et d'Automatique, Sophia-Antipolis, France, 1989 (4 weeks), F. Baccelli host.
  • Department of Algorithms and Artificial Intelligence., University of Szeged, 2004 (3 weeks), J. Csirik host.
  • Electrical Engineering Department, University of Melbourne, 2007 (4 weeks), S. Hanly host.
  • Faculty of Economics and Business, University of Sydney, 2008 and 2009 (4 weeks), V. Timkovsky host.
  • Faculty of Business Administration, Memorial University of Newfoundland, 2009, (1 week), W. Kubiak host.