Marie Pètre, LL.M. (Edinburgh) advises on EU  regulations in the area of ESG/sustainability, value/supply chains and  responsible business. In addition, she also advises on European and  international standards, standard development, certification and other forms  of collaborative action.

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From 2000 to 2015, Marie was an attorney in  international law firms in Brussels, advising companies in the life sciences  and tech sectors on corporate and commercial law questions.  In 2015 she  joined GS1 Global Office, the global supply chain standards organisation,  where she served as General Counsel until late 2023. In 2024, she created her  own legal practice focused on standards, sustainability and value chain  regulations. She joined Cattwyk in November 2025.

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Marie studied law at the Université de Namur  and the Katholieke Universiteit Leuven. She also holds an LL.M in  International Public Law, EU Law and International Criminal Law from the  University of Edinburgh and an Executive Master in Sustainability Transformation  from Solvay Brussels School of Economics and Management.