Bert Theeuwes

Bert Theeuwes

Monard Law Brussels

Tervurenlaan 270
1150 Brussels

Tel. +32 (0)2/234 67 10
Fax. +32 (0)2/280 47 79

Who is Bert Theeuwes?

Bert Theeuwes advises national and international clients in the areas of employment law and international law.

Bert Theeuwes is head of the employment practice in the Brussel office and offers his clients a well-developed background in all areas of employment law ranging from hire & fire to reorganizations, international mobility and compensation and benefits. In addition, Bert advises on transnational matters such as EU social security law, expatriation and business migration.

Bert Theeuwes also represents and advises international organizations, sovereign states, embassies, missions, heads of state, diplomats and international civil servants on all issues of public international law and diplomatic relations. In this capacity, Bert represents clients from all over the world with their global and domestic issues.

Over years of practice, Bert has been included in the Legal 500 multiple times and on separate occasions was praised for providing "high-quality advice in a timely manner," and for combining "extensive knowledge with excellent strategic skills." Moreover, clients called Bert a "very practical and a good communicator," and Chambers says Bert's clients are "full of praise" regarding his ability to combine an "extensive knowledge base with excellent strategic and operational planning skills in order to comprehensively deal with issues."

Bert graduated as a licentiate in Law from the University of Leuven. He followed a graduate program in International Business at Harvard University in Cambridge and obtained a Post-Graduate degree in European Business Law from the University of Paris V.

Bert started his carrier in Brussels as legal practitioner with the law office Skadden, Arps ,Slate Meagher & Flom. Later that year he pledged his oath as lawyer and joined LeBoeuf, Lamb, Green & MacRae. In 2007 he became Managing Partner of the Brussels office of Lorenz. In 2016 he joined Kelley, Drye & Warren as Partner in the Brussels Office. In 2018 he started at Monard Law as a Partner.

He lectures and publishes regularly on matters relating to employment law and international law. He is member of the American Bar Association, the European Employment Law Society, the UK Employment Law Society and the Belgian Royal Institute for International Relations.

Language skills
Dutch, French, German, English


  • Labour, Employment
  • Public international law
  • Government Relations and Public Affairs