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Boontje Advocaten || Labour Law Plus



Prof. Cees Loonstra has been involved with Boontje Advocaten since its foundation in 2001. Cees Loonstra is professor of labour law at Erasmus University Rotterdam. He contributes towards the professional development of our lawyers and is actively involved in the firm’s legal practice and advising our clients. In addition, Cees Loonstra is an editor of various trade journals, a member of various committees in the field of employment conditions and labour law, and the author of leading books, which have become standard works in his area of expertise. Finally, he is also a judge with the Court of Appeal of The Hague. A selection of his activities:

Trade journals:

  • Editorial chairman of Arbeidsrechtelijke Annotaties (ArA)
  • Chief editor of Tijdschrift Arbeidsrecht en Praktijk (TAP)
  • Chief editor (together with W.A. Zondag) of Sdu Commentaar Arbeidsrecht


  • Chairman ABN AMRO disputes committee on collective labour agreements
  • Chairman National Committee Health Care Job Evaluation
  • Chairman Professional Field Committee Law, LOI


  • Substitute judge of the Utrecht subdistrict court (2000-2011)
  • Judge Court of Appeal of The Hague (from 1 January 2013)

A selection of publications:

  • Derden-interventie bij CAO-conflicten (thesis)
  • Het concurrentiebeding in de arbeidsovereenkomst (with A.R. Houweling)
  • Arbeidsrechtelijke Themata (with W.A. Zondag), 4th print
  • Hoofdlijnen Nederlands Recht, 11th print
  • Hoofdstukken Sociaal Recht, 23rd print