Employment law in all its aspects: individual, collective, European, International, criminal employment law, as well as corporate law, compensation and benefits, supplementary pensions, social security law, employee’s data protection, litigation, due diligence.
Founder and Managing Partner of CASTEGNARO - Ius Laboris Luxembourg, a well-known employment law niche firm in Luxembourg and founding member of the international alliance Ius Laboris, Global Human Resources Lawyers.
Guy was chairman of the E.E.L.A (European Employment Lawyers Association) from 2011 till 2015.
He is the author and co-author of various articles and books on employment law.
Guy is also a speaker and a chairman at various conferences on employment law topics.
He is teaching Luxembourg social security law at the University of Luxembourg as well as Luxembourg employment law at the Sacred Heart University and in the framework of the « Cours Complémentaires en Droit Luxembourgeois » for the future Luxembourg lawyers.
IUS LABORIS, an alliance of leading Human Resources law practitioners, Founding member - E.E.L.A. (European Employment Lawyers Association)
Droit du travail luxembourgeois (Editions Paul Bauler, 2002) – Business Transfers and Employee Rights, Luxembourg Chapter (LexisNexis Butterworths, UK, 2006) - Arbeitsrecht in Luxemburg (Editions Paul Bauler, 2007) - Redundancy law in Europe, Luxembourg Chapter (Kluwer Law International, 2008) - Hiring the best qualified and most talented employees, Luxembourg Chapter (Kluwer Law International, 2008) - La loi applicable aux contrats de travail internationaux: le nouveau règlement européen du 17 juin 2008 sur la loi applicable aux obligations contractuelles (Bruylant, Brussels, 2009) – Arbeitsrecht in Europa, Luxembourg Chapter (Dr. Otto Schmidt Verlag, Köln, Germany, 2010) - Arbeitsrecht in Luxembourg (Editions Paul Bauler, 2010) - Le droit de grève au Luxembourg (Les cahiers du droit luxembourgeois, 2010) - Employment in Luxembourg, A practical guide to Luxembourg employment and social security law (Editions Mike Koedinger, 2010) - Relations collectives de travail au Luxembourg (Legitech, 2015) - Code du travail annoté (Legitech, 2017) - Monthly contribution (article) on the latest employment law issues in AGEFI – Author of articles published in a database on Luxembourg employment law and case law, Lexnow - Mr Guy Castegnaro participated in the establishment of the Luxembourg Labour Code.
He is fluent in French, German and English and his native Luxembourgish.