Marie Behle Pondji Castegnaro Luxembourg Before joining Castegnaro-Ius Laboris Luxembourg in 2010, Marie Behle Pondji collaborated on employee relations and data protection matters in the human resources departments of large multinational corporations. She is a Counsel in the firm. Marie Behle Pondji has specialized in collective labour relations and protection of employee personal data. She regularly defends employers before the labour and administrative courts.