INDIVIDUAL PROFILE
Lucien Masmejan

Lucien Masmejan

High Net Worth 2026

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Ranked in 1 practice area

About

Provided by Lenz & Staehelin

High Net Worth

Practice Areas

Private Clients, Tax, Real Estate, Commercial and Contracts

Career

Dr. Lucien Masmejan is a partner heading up our Private Clients group in Geneva and Lausanne. He is widely considered one of Switzerland’s leading lawyers in private client matters and chairs the board of L&S Trust Services SA.

Lucien's main practice area is private clients and this encompasses tax law and real estate, as well as general contractual and corporate matters. He advises Swiss and international families and privately owned companies, as well as their owners which include a number of high net worth individuals.

Lucien is a member and/or chairman of various boards of directors in Switzerland and internationally, with a focus on services to private clients and families. He is also a frequent conference speaker on tax and company law and has published a number of articles including a 'Commentaire de la loi vaudoise d'impôt'.

University of Lausanne (lic. iur., Fleuret Foundation prize, 1982), University of Lausanne (Dr. iur., Fleuret Foundation prize, University laureate and Walter Hug Foundation prize, 1991), Admission to Lausanne Bar (1992), Joined Lenz & Staehelin (2007), Partner at Lenz & Staehelin (2007)

Professional Memberships

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), Argaman Foundation, Franco Regli Foundation, Forum Economie et Politique

Publications

Rüdisühli H., Masmejan L., Private Client 2018 - Switzerland, in: The International Comparative Legal Guide, January 2018

Masmejan L., Les « start-up » cycle de conférences AGDA et programme MBL des Universités de Lausanne et Genève, 2001

Masmejan L., Masmejan Ly., Commentaire de la loi vaudoise d'impôt, Berne 1999

Languages Spoken

French, English, German

Chambers Review

Provided by Chambers

Chambers High Net Worth

Private Wealth Law - Switzerland

Band 1
Band 1

Individual Editorial

Lucien Masmejan is a partner and the head of Lenz & Staehelin's private clients group in Geneva and Lausanne. He has expertise across a wide range of private wealth law matters and regularly advises high net worth clients and their closely held businesses.

Strengths

Provided by Chambers

  • Lucien Masmejan is the most impressive private client lawyer. He is a great litigation strategist.

    Private Wealth LawChambers High Net Worth
  • Lucian Masmejan has the legal knowledge but also the business negotiating skills. He commands the room and is able to direct the conversation the way he wants.

    Private Wealth LawChambers High Net Worth
  • Lucien Masmejan is one of the outstanding Swiss lawyers of his generation. A true lawyer's lawyer in every sense. He’s been there and seen most scenarios in the space.

    Private Wealth LawChambers High Net Worth
  • Lucien is arguably the leading lawyer in the Swiss market for high-end private client matters. His business acumen and ability to identify both risks and opportunities sets him apart from others.

    Private Wealth LawChambers High Net Worth
  • Lucien Masmejan is a lawyer with very great experience of working with very significant clients with assets located around the world.

    Private Wealth LawChambers High Net Worth

Ranked Individuals at Lenz & Staehelin (6)

Switzerland

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