Guillaume Croisant
Linklaters
Belgium

Guillaume Croisant, who coordinates Linklaters’ cross-practice ESG offering in Brussels, is highly sought-after among major domestic and multi-national clients regarding ESG liability risks, ESG compliance, and sustainability regimes.
Croisant serves as ESG counsel to major multinational companies, assisting in drawing up greenwashing and supply chain compliance programmes; in navigating EU sustainability regulations and regimes; and advising on the impact and implications of directives on green claims and waste.
Helping boost the firm’s thought leadership output, Croisant regularly contributes his insight to articles, podcasts, and webinars on green topics including ESG disputes, greenwashing, and supply chain due diligence. Leaving an impact within the legal community, Croisant co-authored a seminal textbook on Belgian law and sustainability and contributed to the UN Global Compact’s guide for general counsel on corporate sustainability.
A notable speaker in the space, Croisant lectures on ESG at the University of Brussels and has spoken on ESG matters before organisations including the Belgian Federation of Enterprises. To help encourage green practices within the legal sector, Croisant is a member of the policy taskforce of the Campaign for Greener Arbitrations.