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Personal profile

Personal information


My research focuses on issues in social epistemology, philosophy of science, and philosophy of religion. Currently, most of it is in collective epistemology: can groups have beliefs and knowledge, are there collective intellectual virtues, what determines the epistemic performance of groups? I also apply these issues in thinking about the epistemic qualities of liberal democracy.


I teach epistemology, philosophy of science, business ethics, and – if I get the opportunity – philosophy of religion. Specifically, I teach an introduction to philosophy of science for students who minor in philosophy (see here) and a second year course on current trends in philosophy (see here).


  • Knowledgeable Democracy: A Social-Epistemological Inquriy
    NWO Vidi project, 2016–2020
  • The Epistemic Responsibility of the University
    (with René van Woudenberg and Rik Peels)
    Templeton World Charity Foundation, 2016–2019
  • Science Beyond Scientism
    (with René van Woudenberg, Gijsbert van den Brink, and Gerrit Glas)
    Templeton World Charity Foundation, 2012–2015
  • Commercializing Science and the Flow of Knowledge
    NWO Veni project, 2010–2014

Ancillary activities

  • De Jonge Akademie | Amsterdam | Member | 2017-04-01

Ancillary activities are updated daily


  • Ph.D. in Philosophy, Delft University of Technology, 2007
  • M.A. in Philosophy cum laude, Vrije Universiteit Amsterdam, 2007
  • M.Sc. in Systems Engineering and Policy Analysis cum laude, Delft University of Technology, 2000

Fingerprint Fingerprint is based on mining the text of the person's scientific documents to create an index of weighted terms, which defines the key subjects of each individual researcher.

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Research Output 2006 2018

Introduction to the Philosophy of Creation Order, with Special Emphasis on the Philosophy of Herman Dooyeweerd

Glas, G. & de Ridder, G. J. 2018 The Future of Creation Order. Volume I. Philosophical, Scientific, and Religious Perspectives on Order and Emergence. Glas, G. & de Ridder, G. J. (eds.). Dordrecht: Springer, p. 1-30

Research output: Chapter in Book/Report/Conference proceedingChapter

Argumenteren voor het bestaan van God – deel 1

de Ridder, G. J. 2017 In : Sophie. 7, 1, p. 10-15

Research output: Contribution to journalArticle

Argumenteren voor het bestaan van God – deel 2

de Ridder, G. J. 2017 In : Sophie. 7, 2, p. 20-25

Research output: Contribution to journalArticle

Skeptical Hypotheses
Scientific Progress
Radical Scepticism