Photo, Henk Arnold Sijnja

Henk Arnold Sijnja

Baker & McKenzie Amsterdam N.V.


Henk Arnold Sijnja heads the Corporate Practice Group of Baker McKenzie Amsterdam. He has broad experience in corporate law. Transactions he has advised on include public takeovers, private M&A, equity offerings, corporate restructurings and reorganisations. In addition, he advises major corporations on various aspects of corporate law, and regularly lectures on public and cross-border M&A. Henk Arnold is a member of the EMEA Capital Markets Group Steering Committee.

Practice Focus

Henk Arnold has extensive experience advising and lecturing on cross-border public and private M&A, corporate governance and securities law.

Representative Legal Matters

At Baker McKenzie and prior to joining the Firm, Henk Arnold advised:

  • T&K TOKA on the acquisition of Van Son Printing Inks from its shareholders.
  • Cosmo Pharmaceuticals S.A. on the merger of Cosmo Pharmaceuticals S.A., Luxembourg into its fully owned subsidiary Cosmo Pharmaceuticals N.V.
  • Joh. Berenberg, Gossler & Co. KG (Berenberg), as listing agent, on the listing of RNTS Media NV (RNTS Media) in the Prime Standard of the Frankfurt Stock Exchange.
  • Fedex Corporation on its public takeover of TNT Express N.V.
  • Applied Material, Inc. on the merger of equals with Tokyo Electron Ltd (aborted).
  • Argen-X N.V., a Dutch biotech company based in Belgium on its IPO.
  • Polyganics on the sale of its nasal, sinus and ear surgery business to Stryker Corporation.
  • RT/Raiffeisen Touristik Group GmbH on the merger of the travel businesses of D-Reizen, VakantieXperts and Globe.
  • Domus N.V. on its proposed IPO on Euronext Amsterdam (aborted).
  • Dr. Reddy’s Laboratories, a listed globally operating pharmaceutical company headquartered in India on its public take over of Octoplus N.V., a service based specialty pharmaceutical company headquartered in the Netherlands.    

Professional Associations and Memberships

  • Dutch Trade Law Association - Member
  • Dutch Association for Corporate Litigation - Member


  • Amsterdam~Netherlands (1998)


  • Professional Education Programme, Dutch Society of Company Lawyers (1995)
  • Erasmus University Rotterdam (LL.M.) (1993)


  • Dutch
  • English