Gerard de Zeeuw Steep Hill 11, Lincoln LN2 1LT United Kingdom Tel.: 01522-546711 Fax: 01522-536146 (usually not on) Prins Hendrikkade 86F 1012AE Amsterdam, Holland Tel.: 020-6278072 zeeuw@phys.uva.nl

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Gerard de Zeeuw was born March 11, 1936, in Banjoewangi (Indonesia, former Dutch Indies). He Holds MSc's in Mathematics, Statistics and Econometrics. His Ph.D. is entitled 'Model thinking in psychology'.

His institutional address in the Netherlands is: Center for Innovation and Co-operative Technology; Faculty of Mathematics, Computer Science, Physics and Astronomy; University of Amsterdam; Valckenierstraat 65; 1018 XE Amsterdam, The Netherlands; and his e-mail there is zeeuw@phys.uva.nl.

Gerard de Zeeuw is full professor (on personal title) in the University of Amsterdam (since 1993), charged with 'Mathematical modelling of complex social systems'. He has been full professor since 1974, charged with 'Research methodology' in the areas of adult education, social work and social helping, community development and social theory, also in the University of Amsterdam.

Since 1994 he is Visiting Professor at the University of Lincolnshire and Humberside (area: systems and management), and at the London School of Economics (social and organisational psychology). During three years he lectured at the Agricultural University of Wageningen. He was elected twice as Fellow of the Netherlands Institute of Advanced Study.

His largest research project was entitled 'Support, Survival and Culture', funded on a personal basis by the Ministry of Education of the Netherlands (Dfl 10,000,000). This project represented a culmination of his long time work on research methods to study and implement ëuser valuesí, and on research designs to support individual and social action. An international evaluation committee judged the project's results to be 'excellent'.

Gerard de Zeeuw has been organisationally active. His appointments include President of the International Federation for Systems Research, President and Board member of the Dutch Systems Group, Dean of the Faculty of Andragology, Chair of the department of research methodology in the Faculty of Psychology, Board member of the University of Amsterdam. He is extraordinary member of the Dutch Institute of Psychologists, for his efforts to promote the study of psychology, and honorary member of the United Kingdom Systems Society. He organised more than 100 conferences, in different disciplines.