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Christophe Ernzen



Ernzen Christophe
Christophe Ernzen



Christophe specialises in employment law. He advises financial institutions, funds/private equity players, multinationals and other corporate clients on the full range of individual and collective employment law topics including contractual documentation, workplace culture issues, sensitive separation cases and litigation.

He has significant experience in M&A projects (cross-border mergers, asset/share deals) and employee representation matters (European Works Council, social elections, etc.). He also has particular expertise in health and safety at work issues as well as in cross-practice matters including HR digitalisation and employee monitoring projects.

Christophe chairs the Legal Group of the British Chamber of Commerce (BCC) for Luxembourg and also sits on the BCC Council. He is also a member of ELSA (the Employment Law Specialists Association of Luxembourg).

Christophe joined Allen & Overy in 2010.

Related articles

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Publications: 19 April 2022

Teleworking in Luxembourg - Are you ready for 1 July 2022?

As from 1 July 2022, the Luxembourg rules on telework resulting from an agreement of 20 October 2020 between social partners (declared generally applicable by grandducal regulation of 22 January 2021)…

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Publications: 01 February 2022

Soon there will be legal protection for whistleblowers. What are the employer’s obligations?

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Publications: 14 December 2021

CovidCheck will soon be mandatory for employees at the employer’s premises

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Publications: 05 January 2021

New rules on the posting of employees applicable as of 22 December 2020

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Employment and Benefits



Private Equity



5 Avenue John F. Kennedy, L-1855 

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Admitted as avocat à la cour, Luxembourg, 2013

Admitted as avocat, Luxembourg, 2011


LL.M., Trinity College, Dublin, 2010

Master 2, European Economic and Financial Criminal Law, Université du Luxembourg, 2009

Master 1, International Business Law, Université Panthéon-Sorbonne (Paris I), 2008


Published work

  • Christophe Ernzen and Laurie Lougsami (2019) “Internship regulation: Closing the loophole”, article in AGEFI, Luxembourg: Agefi
  • Christophe Ernzen and Catherine Di Lorenzo (2017) “Employees’ right to use company IT vs. Employer’s rights to monitor such use”, article in Connexion magazine, Luxembourg: American Chamber of Commerce in Luxembourg