Dr iur Irène Suter-Sieber > Walder Wyss Ltd. > Zurich, Switzerland > Lawyer Profile

Walder Wyss Ltd.
PO BOX 1236

Work Department





Irène Suter-Sieber is an employment law partner and member of the Management Board (Hiring Partner) at Walder Wyss.

She has extensive experience in representing clients in court in employment law related civil proceedings. She advises Swiss and international companies on all aspects of employment law, in particular, in the drafting of employment contracts, personnel regulations and employee participation programmes, in executive compensation matters, in the enforcement of restrictive covenants, terminations, restructurings such as transfers of undertakings and mass dismissals, international employee transfers, personnel lease as well as employment-related internal investigations, social security and data protection issues.

Before joining Walder Wyss, Irène Suter-Sieber worked at a leading Swiss law firm in Zurich for eight years.


Irène Suter-Sieber speaks German, English and French.


After completing her studies of law at the University of Zurich (lic. iur. 2006) and her piano studies at the Zurich School of Music (Musician MH, 2006), she was admitted to the bar (2009) and received her doctorate at the University of Zurich in 2012 (summa cum laude, awarded the Prof. Walther Hug Prize and Issekutz Prize).

Lawyer Rankings

Switzerland > Employment

(Next Generation Partners)

Irène Suter-Sieber Walder Wyss Ltd.

Walder Wyss Ltd. ‘is surely one of the best in Switzerland‘ when it comes to advice regarding all aspects of the employer-employee relationship, including employment contracts, international assignment of employees and transaction-related issues, in particular transfers of undertaking. The team is further adept at advising on internal investigations, plant closures as well as mass dismissals and assisting clients in any related negotiations and conflict resolution with individual employees, employee representatives and trade unions. Philippe Nordmann, who ‘stands out both professionally and as a coordinator‘, heads the practice together with Ueli Sommer, ‘a thoughtful lawyer with the best expertise and a lot of experience‘. Irène Suter-Sieber is noted for her ‘excellent knowledge of employment law‘. Rayan Houdrouge  joined the firm from Lenz & Staehelin .

Switzerland > Leading firms: German-speaking Switzerland

Walder Wyss Ltd. has a strong reputation for advice on M&A and capital markets transactions as well as public tender offers and restructurings. Transactions are ably covered by Luc Defferrard, Markus Pfenninger, Alex Nikitine and Urs Gnos. Markus Frick, Philippe Nordmann, Hans Rudolf Trüeb, David Vasella, Reto Jacobs and Johannes Bürgi are other key practitioners. Michael Isler, Irène Suter-Sieber and Reto Vonzun are also noted.