Universiteit Leiden

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Matthias Haentjens

Professor of Private Law

Prof.mr.drs. M. Haentjens
+31 71 527 8527

Since 1 August 2012, professor Dr. M. Haentjens is affiliated with the Institute for Private Law as a (full) professor of law.

More information about Matthias Haentjens

Studies and career

Prior to joining Leiden Law School, Matthias Haentjens was an attorney with De Brauw Blackstone Westbroek. In  this capacity, he handled cases both as a transaction lawyer and as a (supreme court) litigator.

Matthias studied Greek and Latin at the University of Amsterdam (BA cum laude), and obtained his Master degree in 2001. He became a teacher of classics, but subsequently obtained a Master degree in Law (cum laude) in 2003, also at the University of Amsterdam. He obtained his PhD at the University of Amsterdam in 2007 and was a visiting scholar at Université de Paris II (Panthéon-Assas), Harvard Law School and New York University School of Law.

Since 2016, he has been appointed as a deputy judge in the Court of Amsterdam.


Matthias’ key publications include his dissertation, ‘Harmonisation of Securities Law, Custody and Transfer of Securities in European Private Law’ (published in 2007 with Kluwer Law International) and the textbook ‘European Banking and Financial Law’ (published with Routledge and written together with P. De Gioia-Carabellese). His Leiden inaugural address was entitled: ‘The Alchemist's Autonomy: A Private Law Principle in Banking and Finance’ (in Dutch, published with Boom).

Matthias is primarily interested in the way in which systems of law deal with international financial developments and its innovations. His research focuses on the interactions between European law and national private law, and between private law and regulatory law.

His fields of interests include private law, international financial law, insolvency law, and conflict of laws. He assisted in the proceedings of the Unidroit Convention on Substantive Rules Regarding Intermediated Securities in Rome, was a member of the Expert Group on Securities and Claims at the European Commission and has published nationally and internationally on various matters of (international) private law.


Professor Haentjens is responsible for the Financial Law master’s programme, which includes courses such as International Financial Transactions, Dutch and European Financial Law, and Anglo-American Financial Law. Also, he is the Programme Director of the Advanced Master LLM ‘Law & Finance’, and teaches various seminars.

Professor of Private Law

  • Faculteit Rechtsgeleerdheid
  • Instituut voor Privaatrecht
  • Financieel Recht

Work address

Kamerlingh Onnes Building
Steenschuur 25
2311 ES Leiden
Room number C.205



  • NOvA Lid van de commissie Cassatie
  • UNIDROIT Lid werkgroep
  • European Banking Institute Academic Board Member (Secretary)
  • Stichting Vluchtelingenhulp Voorzitter
  • Stichting Oukha Bestuurslid
  • Stichting Bob Wessels Insolvency Law Collection Voorzitter
  • Rechtbank Amsterdam Rechter-plaatsvervanger
  • Stichting Grotius Academie Lid dagelijks bestuur
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