Home / People / Marjolein Bieri
Portrait of Marjolein Bieri

Marjolein Bieri


CMS von Erlach Partners Ltd
Räffelstrasse 26
P.O. Box
8022 Zurich
Languages German, English, French

Marjolein L. Bieri is an associate in the Private Clients team.

She advises private clients in the fields of domestic and international estate planning and estate administration (executorship) and advises private clients on marital property agreements, wills, succession pacts and on charitable foundations. She is a fervent litigator in estate matters and represents parties in dispute resolution before state courts as well as in enforcement and legal assistance matters.

Marjolein L. Bieri has been practising as a lawyer since 2017. Before joining our firm in 2019, she worked as an associate in the dispute resolution and private clients teams of a major business law firm in Zurich. Marjolein L. Bieri gained further professional experience as a research assistant with Prof. Dr. Paul Eitel, professor of Private Law, Family Law and Inheritance Law at the University of Lucerne, and as a law clerk at the District Court of Hinwil. She regularly publishes in the field of inheritance law.

Marjolein L. Bieri’s professional languages are German and English. She also speaks French.

more less

Memberships & Roles

  • Zurich Bar Association (ZAV)
  • Swiss Bar Association (SAV)
  • Zürcher Anwaltsverband, Fachgruppe Erbrecht
more less


  • Zuteilungskompetenz des Erbteilungsgerichts – Auswirkungen der neuen bundesgerichtlichen Praxis, in: iusNet ErbR of 27 October 2020
  • Schutz des Unternehmens im Ehe- und Erbrecht, (together with Kinga M. Weiss), in: Fabiana Theus Simoni, Isabel Hauser, Harald Bärtschi (Hrsg.), «Handbuch Schweizer GmbH-Recht», Basel 2019, page 329-363
  • Beginn des Willensvollstreckermandats und andere Fallstricke, in: iusNet ErbR of 23.12.2019
  • Der Durchgriff und sein Durchbruch ins Erbrecht (together with Prof. Dr. Paul Eitel), in: Eitel/Zeiter (Hrsg.), Equus und aequus – et cetera, Liber amicorium für Benno Studer zum 70. Geburtstag, Zurich 2019, page 5 ff.
  • Die Durchführung der Herabsetzung bei Schenkungen, Lebensversicherungen und Trusts (together with Prof. Dr. Paul Eitel), in: successio 2015, page 288 ff.
more less


  • 2017 – Bar Admission, Canton of Zurich
  • 2014 – University of Lucerne and Temple University Beasley School of Law, Philadelphia, USA (MLaw)
  • 2011 – University of Fribourg (BLaw)
more less


Con­tin­gency plan­ning with prox­ies in Switzer­land
1. Are prox­ies used in con­tin­gency plan­ning? A per­son cap­able of act­ing, i.e. any­one who is at least 18 years of age and has ca­pa­city of judge­ment, may grant a proxy. In Switzer­land, prox­ies are fre­quently...