* Leiden University (Netherlands), ‘Modern Architecture in the Nederlands. Architect Robert van ’t Hoff. Social reform and the avant-garde in architecture’, ‘J.J.P. Oud and his search for an ahistorical classicism’, November 20 and 27, 2014,
*Technical University Delft (Netherlands): Expertmeeting Scholenbouwatlas, ‘Concepts and models for revitalisation’, TU Delft, March 6, 2014
*University Nottingham (United Kingdom): Lecture ‘The origins of the Youth Centre Movement’, op congres SHCY, University of Nottingham, ‘Youth Movements and Utopian Spaces’, June 26, 2013, UK.
*Antwerpen University (Belgium): ‘Community Schools’. Symposium School in de stad. Stad in de school’, Stad Antwerpen/Stadsontwikkeling, Elzenveld, Antwerpen, September 26, 2012
*Technical University Delft (Netherlands): ‘Transforming the Welfare State. Design and revilatisation of the postwar neigborhoods in Schiedam, Gouda and Leidschendam’, TU Delft, May 8, 2012
*Rotterdam Academy of Architecture and Urban Design, ‘Community Schools. Ideas and designs’, Academie van Bouwkunst Rotterdam, September 30, 2011
*Amsterdam Academy of Architecture and Urban Design ‘Open air schools in the Nederlands’, Academie van Bouwkunst Amsterdam, February 16, 2011
*Utrecht University: ‘Awakening consciousness, Gerrit Rietveld’s theory’, international symposium: Rietveld’s Universe (Rietvelds Universum), Utrecht University, January 29, 2011
*NWO/SKO: Netherlands Organisation for Scientific Research: ‘Rietveld en J.J.P. Oud’, invitation by Onderzoeksschool Kunstgeschiedenis, locattion: Nederlands Architecture Instituut, Rotterdam, March 28, 2008
*Bologna University (Italy): ‘Holiday Camps in the Netherlands’, Internationaal congres in Rimini, Italy, October 2007.
*Gent University (Belgium): ‘Vakantiekolonies in Nederland’, Universiteit van Gent/gemeente Middelkerke, Middelkerke, May 2007.
*Sorbonne University Paris (France): ‘Open Air schools in the Nederlands’, Symposium écoles de plein air; Universite Sorbonne, Parijs, december 2001, in collaboration with professor E.R.M. Taverne.