Lucien Masmejan Partner, Head of Private Clients
Dr. iur., Attorney at Law, Registered Trust and Estate Practitioner

Lucien Masmejan

Partner, Head of Private Clients
Dr. iur., Attorney at Law, Registered Trust and Estate Practitioner
+41 58 450 70 00
lucien.masmejan@lenzstaehelin.com
Lausanne
Avenue de Rhodanie 40C
CH-1007 Lausanne
www.lenzstaehelin.com
  • Expertise

    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'.

  • Practices

  • Sectors

  • Professional Experience and Education

    and Education

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

    Private Clients, Tax, Real Estate, Commercial and Contracts
  • Languages

    French, English, German
  • 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
  • SELECTED PUBLICATIONS

    • Rüdisühli H., Masmejan L., Private Client 2018 - Switzerland, in: The International Comparative Legal Guide, January 2018, 214-223
    • Masmejan L., Masmejan L., Commentaire de la loi vaudoise d'impôt, Bern 1999
    • Masmejan L., La protection possessoire en droit romano-canonique médiéval, Société pour l'histoire des anciens pays de droit écrit, Montpellier 1990
  • Other Activities

    • L&S Trust Services SA, Chairman of the board of directors.

    • Cardis SA (real-estate company holding Sotheby’s Realty franchise for Switzerland), Chairman of the board of directors.

    • Director of several Swiss privately owned companies such as B-Flexion Group Holdings SA, Argaman Holding SA and foreign companies, amongst which several companies of the B-Flexion Group.

  • Contact Details

  • Assistant

  • Other Activities

    • L&S Trust Services SA, Chairman of the board of directors.

    • Cardis SA (real-estate company holding Sotheby’s Realty franchise for Switzerland), Chairman of the board of directors.

    • Director of several Swiss privately owned companies such as B-Flexion Group Holdings SA, Argaman Holding SA and foreign companies, amongst which several companies of the B-Flexion Group.

  • References

    Lucien is clearly brilliant. He cuts through every issue and is a brilliant strategist.

    Chambers & Partners, 2024

    Lucien Masmejan is hugely experienced with private clients. He's both practical and commercial.

    Legal 500, 2024

    He's a leader, he's smart, he's practical and he gets things done.

    Chambers & Partners 2024

Lucien is clearly brilliant. He cuts through every issue and is a brilliant strategist.

Chambers & Partners, 2024

Lucien Masmejan is hugely experienced with private clients. He's both practical and commercial.

Legal 500, 2024

He's a leader, he's smart, he's practical and he gets things done.

Chambers & Partners 2024

1/3