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Christophe Ernzen

Senior Associate


Ernzen Christophe
Christophe Ernzen

Senior Associate


Christophe advises international and local (Luxembourg) companies in individual and collective employment law and has particular expertise in all matters related to staff representative bodies. 

Christophe also has significant experience in drafting, amending and terminating employment contracts (including negotiating settlement agreements and conducting legal proceedings), as well as in employment law aspects of transactions – from due diligence audits to contract arrangements and the implementation of the transaction. He joined Allen & Overy in 2010.

News & insights

People dispersed outside in cityscape

Publications: 05 JANUARY 2021

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

Verification or declaration by the Luxembourg user company / extension of the Luxembourg core rules applicable to employees posted to Luxembourg / limitation of the maximum duration of the posting /…

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Publications: 16 MARCH 2020

Covid-19 coronavirus: impact on Luxembourg employers

Over the weekend, the measures taken by the governments of Luxembourg and the neighbouring countries have strengthened, including notably restrictions on border passing and a closure of restaurants,…

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Allen & Overy graphic

Publications: 28 FEBRUARY 2020

Covid-19 coronavirus: FAQs for employers in Luxembourg

Some FAQs on the rights and obligations of the employer with regards to Covid-19 coronavirus and employees.

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Publications: 16 DECEMBER 2019

Protection of whistleblowers: What are the employer’s obligations?

As the new directive on whistleblowers must be transposed at the latest by 17 December 2021, employers should start thinking about how to implement their future obligations.

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Allen & Overy
5 Avenue John F. Kennedy, L-1855 

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Admitted as avocat à la cour, Luxembourg, 2013

Admitted as avocat, Luxembourg, 2011


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

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

LL.M., Trinity College, Dublin, 2010