William Jan Treuren

Willem Jan Treuren

Baker & McKenzie Amsterdam N.V.


Willem Jan Treuren is a candidate civil-law notary in the Corporate department of Baker McKenzie Amsterdam. He works closely with Firm legal and tax professionals in Amsterdam and other offices to ensure integrated transaction support.

Practice Focus

Willem Jan focuses his practice on corporate (notarial) law and advises on domestic and cross-border corporate restructuring, mergers and acquisitions as well as setting up joint ventures, partnerships and corporations. He also advises on general corporate and governance matters from the perspective of Dutch corporate law.

Representative Legal Matters

  • Advised Wagram Equity Partners on the acquisition of the Creamy Creation Business from FrieslandCampina.

Professional Associations and Memberships

  • Royal Dutch Association of Civil-Law Notaries (KNB) - Member


  • Civil Law Notary~Netherlands (2017)


  • Utrecht University (LL.M. Notarial Law) (2016)
  • Utrecht University (Bachelor of Law) (2014)


  • Dutch
  • English