Stephen J. Mellor

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Stephen J. Mellor
Born1952 (age 69–70)
Alma materUniversity of Essex
Known forShlaer–Mellor method, Executable UML, Agile Manifesto
Scientific career
FieldsComputer science

Stephen J. Mellor (born 1952) is a British computer scientist, developer of the Shlaer–Mellor method and Executable UML, and signatory to the Agile Manifesto.


Mellor received a BA in computer science from the University of Essex in 1974, and started working at CERN in Geneva, Switzerland as a programmer in BCPL. In 1977 he became software engineer at the Lawrence Berkeley Laboratory, and in 1982 consultant at Yourdon, Inc.[1]

At Yourdon in cooperation with Paul Ward they developed the Ward–Mellor method, and published the book-series Structured Development for Real Time Systems in 1985. Together with Sally Shlaer he founded Project Technology in 1985. That company was acquired by Mentor Graphics in 2004.[1] Mellor stayed as chief scientist of the Embedded Systems Division at Mentor Graphics for another two years, and is self-employed since 2006.

Since 1998 Mellor has contributed to the Object Management Group, chairing the consortium that added executable actions to the UML, and the specification of model-driven architecture (MDA). He is also chairing the advisory board of the IEEE Software magazine.[2] Since 2013, Mellor has served as CTO for the Industrial Internet Consortium.[3]


  • 1985. Structured Development for Real-Time Systems: Essential Modeling Techniques. With Paul T. Ward. Prentice Hall.
  • 1986. Structured Development for Real-Time Systems: Implementation Modeling Techniques (Structured Development for Real-Time Systems Vol. 1). With Paul T. Ward. Prentice Hall.
  • 1988. Object Oriented Systems Analysis: Modeling the World in Data. With Sally Shlaer. Prentice Hall.
  • 1992. Object Life Cycles: Modeling the World In States. With Sally Shlaer. Prentice Hall.
  • 2002. Executable UML: A Foundation for Model Driven Architecture. With Marc J. Balcer. Addison-Wesley.
  • 2004. MDA Distilled. With Kendall Scott, Axel Uhl, Dirk Weise. Addison-Wesley.

Articles, a selection:[4]

  • 1989. "An object-oriented approach to domain analysis" with S. Shlaer. In: ACM SIGSOFT Software Engineering Notes. Vol 14–5, July 1989. pp. 66–77
  • 1997. "Why explore object methods, patterns, and architectures?" with Ralph Johnson. In: IEEE Software. Vol. 14, no. 1, pp. 27–29.
  • 1999. "Softwareplatform-independent, precise action specifications for UML". With S. Tockey, R. Arthaud, P. LeBlanc - The Unified Modeling ..., 1999
  • 2002. "Make models be assets". In: Commun. ACM Vol 45–11. pp. 76–78
  • 2003. "A framework for aspect-oriented modeling". Paper from 4th (AOSD) Modeling With (UML) Workshop, October 2003
  • 2004. "Agile MDA" White paper 2004


  1. ^ a b Stephen J. Mellor. "Chronological Biography". Archived from the original on 4 May 2008. {{cite web}}: External link in |work= (help)
  2. ^ "Stephen Mellor to Discuss Advanced Agile". Press Room. IEEE. 31 March 2010.
  3. ^ "Staff". Meet our Staff. Industrial Internet Consortium.
  4. ^ Mellor, Stephen J. DBLP Bibliography Server

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