1978
Xavier Dieux joins the firm Van Ryn-Van Ommeslaghe, Van Beirs, Faurès, Flagey
1986
Xavier Dieux becomes partner at the firm Van Ryn-Van Ommeslaghe, Van Beirs, Faurès, Flagey
1994
Xavier Dieux founds the firm Dieux Geens & Associates
2002
Xavier Dieux joins the international firm Willkie Farr & Gallagher to found and head its Brussels office
2021
Xavier Dieux founds the firm Xavier Dieux