Mona-Lisa Pierre


Mona-Lisa is a Manager in the Employment and Litigation Department.

Mona-Lisa has a general labour law practice including employment, social security and immigration matters. She advises a wide range of Luxembourg and foreign clients in various fields of activity (financial sector, industry, ICT, business aviation, land transport, pharmaceutical…) both on day-to-day HR-related issues and companies’ restructurings involving labour law consequences.

She also assists and represents clients in litigation matters and pleads before all competent courts in Luxembourg.

Before joining PwC Legal, Mona-Lisa worked within the labour law departments of American and French law firms in Paris.

Bar Admission

Member of the Paris Bar, 2006.

Member of the Luxembourg Bar (avocat Liste IV), 2013.


  • Postgraduate degree in business law (Master 2/DJCE), University of Cergy-Pontoise, 2002.
  • Postgraduate degree in human resources management (Master 2/CIFFOP), University of Paris II-Pantheon Assas, 2006.


Mona-Lisa enjoys discovering foreign countries, practicing Tai Chi, Qigong and meditation and spending time with family and friends.