Jan L.G. Dietz

Jean Leonardus Gerardus (Jan) Dietz (born 20 June 1945) is a Dutch Information systems researcher, Emeritus Professor of Information Systems Design, and part-time Professor of Enterprise Engineering at the Delft University of Technology, known for the development of the Design & Engineering Methodology for Organizations. and his work on enterprise ontology.

Born in Brunssum, Dietz studied at the Eindhoven University of Technology, where in 1970 he obtained his MA in Electrical Engineering, and later in 1987 his PhD with the thesis entitled "Modelleren en specificeren van informatiesystemen" (Specification and modeling of information systems) under supervision of Kees van Hee en Theo Bemelmans.

Dietz has been practitioner in the field of automation and information systems from 1970 to 1980. Here he developed one of the first relational model based production control systems at Philips Factories, a state of the art computer accounting system at Eindhoven University of Technology, and a terminal-based, interactive theatre reservation system. In 1980 he returned to the academia. After graduation in 1987 he was appointed Professor of Management Information Systems at the University of Maastricht at the Faculty of Economics and Business Administration, where he started the development of the DEMO theory and methodology. From September 1994 to Oct 2009 he was Professor of Information Systems Design at Delft University of Technology. Since then he is part-time Professor of Enterprise Engineering at the Instituto Superior Técnico (IST - Technical University of Lisbon). Since 2010 he is part-time Professor of Enterprise Engineering at Delft TopTech at the Delft University of Technology.

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