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Lenz & Staehelin

Work +41 58 450 70 00
Fax +41 58 450 70 01
Geneva, Lausanne, Zurich

Dr Lucien Masmejan

Work +41 58 450 70 00
Lenz & Staehelin

Work Department

Private Clients, Tax, Real Estate, Commercial and Contracts.


Dr. Lucien Masmejan is considered as a leading lawyer in private client matters in Switzerland. Head of the Private Clients group in Geneva and Lausanne, he chairs the board of L&S Trust Services SA. His main practice area is private clients, with a broad scope including tax law, real estate as well as general contractual and corporate matters. Lucien Masmejan advises Swiss and international families or privately owned companies as well as their owners, amongst whom a number of HNWIs. He is a member and/or chairman of various boards of directors in Switzerland and abroad, with a focus on services to private clients and families. A frequent conference speaker on tax and company law, he has published various articles, including a "Commentaire de la Loi vaudoise d'impôt".


Admission to Lausanne Bar (1992), Joined Lenz & Staehelin (2007), Partner at Lenz & Staehelin (2007).


French, English, German.


Vaud Bar Association (OAV), Swiss Bar Association (FSA), International Fiscal Association (IFA), Society of Trusts and Estates Practitioners (STEP) -Switzerland branch, Geneva business association (AGE), Aquatis Foundation, Argaman Foundation, Franco Regli Foundation, Forum Economie et Politique.


University of Lausanne (lic. iur. 1982), University of Lausanne (Dr. iur. 1991).


Leading firms: French-speaking Switzerland

Within: Leading firms: French-speaking Switzerland

Geneva- and Lausanne-based firm Lenz & Staehelin receives major recognition for its banking expertise, alongside its outstanding strength in capital markets, private client matters, tax, real estate, sports law and dispute resolution. Key lawyers include Shelby Du Pasquier, Olivier Stahler, François Rayroux, Lucien Masmejan, Andreas Rötheli, Jean-Blaise Eckert, Benoît Merkt and Xavier Favre-Bulle.

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Private client

Within: Leading individuals

Lucien Masmejan - Lenz & Staehelin

Within: Private client

The 'pragmatic and efficient' private client team at Lenz & Staehelin 'operates at the highest technical levels' and 'has an outstanding ability to provide comprehensive advice to international clients on business succession, taxation, family governance, estate planning and wealth management matters'. The practice also handles contentious matters, with a strong focus on trust litigation. Key partners include Lucien Masmejan, 'an outstanding lawyer who has a wealth of experience advising and coordinating matters for high-net-worth families', 'trust structure expert' Mark Barmes and 'technically able, clear adviser' Heini Rüdisühli in Zurich.

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