Mr Rayan Houdrouge > Lenz & Staehelin > Geneva, Switzerland > Lawyer Profile

Lenz & Staehelin
1211 GENEVA 6

Work Department

Employment and Pensions, Immigration, Commercial and Contracts, Competition, Tax-exempt/Non-Profit organizations


Rayan Houdrouge leads the Employment and Pensions practice group of Lenz & Staehelin in Geneva. As an accredited labour law expert (SBA certificate), he advises and represents Swiss and multinational companies as well as international organizations on all employment law matters. He has an extensive experience in executive transfers, employee benefits, compensation packages, work regulations, internal audits and collective procedures such as business transfers and collective dismissals. Rayan Houdrouge is also an accredited social security expert (Swiss federal certificate) and regularly assists clients in matters related to social security and pension funds, including contentious aspects.

His other main area of practice is competition law, and in particular in the context of internal audits, merger control filings and cartel-related investigations.


Admission to Geneva Bar (2005), Associate at Lenz & Staehelin (2005), Partner at Lenz & Staehelin (2014)


French, English, German


Geneva Bar Association (OdA), Swiss Bar Association (FSA), International Bar Association (IBA), Union Internationale des Avocats (UIA), President of the UIA Immigration and Nationality Law Commission


University of Lausanne (lic. iur., 2002), New York University School of Law (LL.M. in Corporate Law, 2007), Certified Social Security Expert, Certified Specialist SBA Labour Law (2016)

Lawyer Rankings

Switzerland > Employment

(Leading individuals)

Rayan HoudrougeLenz & Staehelin

Lenz & Staehelin‘s team is ‘able to deal with all aspects of employment in Switzerland for international businesses‘. It is adept at handling contentious and transactional matters in the private and public sectors, pensions matters, and obtaining Swiss work permits for foreign nationals. Recent work includes representing Uber in disputes regarding driver qualification and self-employment status, and advising various multi-national companies following sexual harassment investigations. The team is jointly headed by the ‘very dedicated‘ Rayan Houdrouge, the ‘pragmatic‘ and ‘diligent‘ Matthias Oertle and Dominique Müller, who is based in Zurich.

Switzerland > Data privacy and data protection

Lenz & Staehelin‘s practice is singled out for its ‘holistic thinking‘, ‘in-depth knowledge‘ of Swiss legislation, and ability to provide ‘state-of-the-art‘ counsel. The team advised a world-leading investment management firm and a global audit firm on their assessment measures for GDPR compliance; assisted One.Thing.Less AG with its launch of a personal information management system; and consulted on potential data breaches in the banking and construction sectors. Zurich-based Lukas Morscher has particularly ‘vast experience in the technology and telecoms sectors‘ and is ‘the leading authority in international data privacy and data protection topics‘, working alongside Jürg Simon. Managing partner Guy Vermeil and Rayan Houdrouge oversee matters in Geneva.

Switzerland > Public law

Lenz & Staehelin‘s ‘practice know-how is all-embracing‘ in public law, with lawyers recognised for their ‘tactical thinking‘ and ‘top-quality‘ performance levels. The ‘brilliantAstrid Waser is a key name for procurement work. In recent highlights, the ‘co-operative’ Marcel Meinhardt is acting for Swiss Post in ongoing appeals in the Swiss Federal Administrative Court regarding allegedly abusive discounts for large businesses. Other work includes acting for Saraco SA in administrative law proceedings concerning the new fuel supply pipeline at Geneva Airport and advising Uber on social security, employment and regulatory disputes. Benoît Merkt and Rayan Houdrouge are other key contacts.