HR Internal Investigations 2026

SWITZERLAND Law and Practice Contributed by: Rayan Houdrouge and Kathryn Kruglak, Walder Wyss Ltd

Walder Wyss Ltd is one of the most successful and fastest-growing Swiss commercial law firms. It specialises in employment, corporate, commercial, banking, finance, intellectual property, competition, dispute resolution and tax law. The firm’s clients in - clude national and international companies, publicly held corporations and family businesses, as well as public law institutions and private clients. It is a dynamic law firm with flat management structures and a team of more than 250 legal experts – all of

whom have a high level of professional qualification, international experience and excellent knowledge in many languages. Growth and a close relationship to its clients are the factors that determine its success. Walder Wyss was established in Zurich in 1972 and has since grown continuously. With offices in Zurich, Geneva, Basel, Bern, Lausanne and Lugano, the firm provides its clients with a seamless one-stop-shop, personalised and high-quality services in all language regions of Switzerland.

Authors

Rayan Houdrouge is a partner at Walder Wyss. He advises Swiss and multinational companies, among them disruptive technology companies, and international organisations on all employment-related matters. He has

Kathryn Kruglak is a senior associate at Walder Wyss. She advises on employment, data protection and immigration law, as well as social security and pension matters. Her areas of expertise also include

extensive experience in executive transfers, litigation, internal investigations, restructurings, business transfers and compensation packages, including for blockchain companies. He also advises individuals, especially regarding residency and philanthropic matters, and has particular expertise assisting HNWIs. Rayan studied at the University of Lausanne (lic. iur.) and the New York University School of Law (LLM, Corporate Law). He holds the Swiss Federal Certificate in Labour Law and is an accredited social security expert.

diversity, equity and inclusion, and blockchain and AI, especially regarding data protection aspects. She has particular experience in drafting employment contracts, termination agreements, personnel regulations, data protection regulations and privacy notices, conducting internal investigations, assisting international organisations and handling cross- border situations. Kathryn studied at the University of Neuchâtel (BLaw, MLaw) and King’s College London (LLM, Transnational Law).

Walder Wyss Ltd Rue du Rhône 14 1204 Geneva Switzerland Tel: +41 58 658 30 00 Email: rayan.houdrouge@walderwyss.com Web: www.walderwyss.com

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