Ad Hoogsteder
Management advisor

Ad Hoogsteder advises the management of SEOR. During his career, he held various positions at Erasmus University Rotterdam and EUR Holding, including the position of managing director at SEOR.

Arie Gelderblom
Senior researcher, project manager

Arie Gelderblom is an economist specialised in labour market theory, the economics of training and education and the position of older workers.

Arie-Jan van der Toorn
Junior researcher

Arie-Jan van der Toorn has studied policy economics at Erasmus University Rotterdam.

Elbert Dijkgraaf is professor of empirical economics of the public sector. He is specialized in competition and regulation, and political issues.

Elisa de Vleeschouwer
Junior researcher

Elisa de Vleeschouwer graduated in Economics at Tilburg University with the specialisation Resources, Development and Growth.

Enrico Pennings is professor of applied economics, specialized in industrial organisation, strategy and innovation.

Fabian Dekker
Senior researcher, project manager

Fabian Dekker is a labour sociologist. He specialises in changes in the labour market and the implications of these changes for people's work.

Griet De Lombaerde
Junior researcher

Griet De Lombaerde has studied policy economics at Erasmus University Rotterdam.

Jaap de Koning
Scientific director

Jaap de Koning is scientific director of SEOR and professor of labour market policy. He has a broad experience in labour market research and a background in econometrics.

Joris Meijaard has nearly 20 years of experience in evaluating innovation and entrepreneurship policies and analysing regional and sectoral development.

Kees Zandvliet
Senior researcher, project manager

Kees Zandvliet is specialised in policy evaluations and labour market research of specific sectors, occupations, groups and regions.

Mina Souiah
Office manager

Mina Souiah is responsible for the office and secretarial administration of SEOR. She also assists with projects.

Paul de Hek
Senior researcher, project manager

Paul de Hek is specialised in quantitative methods and techniques, mainly in the field of labour economics, micro- and macroeconomics.

Roy Thurik

Roy Thurik is emeritus professor of economics and entrepreneurship at the Erasmus University Rotterdam and Montepellier Business School.

Yvonne Prince
Management and scientific director

Yvonne Prince is management and scientific director of SEOR. She has nearly 30 years of experience in applied policy research and is specialized in topics such as innovation and competition.


SEOR is an independent social economic research organisation linked to the Erasmus School of Economics and provides research and advisory services to both public and private sector clients worldwide.


  • Address:
  • Rotterdam Science Tower
    Marconistraat 16, 11th floor
    3029 AK Rotterdam
  • Telephone:
  • +31 (0)10 302 0500
  • Email:
  • seor-secr@seor.eur.nl


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