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Dennis Zieren

Attorney at law, partner

Dennis (1970) graduated from Leiden University and has joined Ploum in 1999. Dennis has become a partner of Ploum in 2006. Before joining Ploum Dennis has worked as an in-house lawyer for the Royal Dutch Air Force and a major Dutch insurance company.

Starting from a broad commercial contracts and commercial litigation practice, Dennis has developed since 2000 an expertise in first IT & Privacy Law and later on Public and Utilities Procurement Law.

Dennis has a large knowledge and experience in drafting, reviewing  and negotiating all kind of IT contracts on behalf of serviceproviders as well as on behalf of customers. Dennis also often litigates in IT-disputes  in the Dutch courts and (IT) arbitration tribunals. Dennis is amongst others an active member of the Platform Outsourcing Netherlands (PON).

Public and Utilities Procurement Law, besides IT & Privacy Law, has become an important part of his law practice. The knowledge and experience of Dennis in this expertise is not limited to the IT-sector, but also includes other sectors as Construction, Energy, Education, Insurance and Healthcare. Furthermore, Dennis’s experience in Public and Utilities Procurement law is not limited to advising and litigating on regular public and utilities contracts, but also includes advising and litigating on Public and Utilities Procurement Law issues as concessions, In-house provision, Best Value Procurement, etc.

Dennis has completed two post graduate Grotius specialization programmes: Information Technology Law in 2002 and European and Dutch Procurement Law in 2009.

Dennis services a rather large amount of clients in the health sector and is therefore, beside his membership of the TM&T team, also  an active member of the Care Team of Ploum. In 2014 Dennis has become member of the Management board of Ploum.

Furthermore, Dennis has several additional functions; e.g. Dennis is member of the board of Children Rehabilitation Fund Adriaanstichting.

Publications

  • ‘Innovation in IT Outsourcing relations’, co-author (in Dutch), Platform Outsourcing Netherlands, 2014

Memberships

  • ITechlaw
  • Nederlandse Vereniging voor Aanbestedingsrecht (NVvA), the Dutch Association for Procurement Law
  • Nederlandse Vereniging voor Informaticatechnologie en Recht (NVvIR), the Dutch Association for Information Technology and Law
  • Vereniging Privacy Recht (VPR), the Dutch Association for Privacy Law
  • Vereniging Informaticarecht Advocaten (VIRA), the Dutch Association for Information Technology Law