Sara Rousselle-Ruffieux is a Counsel at the Geneva office of Lenz & Staehelin, where she co-heads the Employment, Immigration and Pension group. As an accredited labour law expert (SBA certificate), she advises national and multinational companies as well as international organizations on employment, immigration and social security matters. Her expertise encompasses both individual employment relationships (contract, company regulation, participation or bonus plan, non-competition clause, termination agreement, secondment, etc.) and collective labour relations (hiring of services, mass-dismissals, social plans or business transfers, etc.). She also regularly assists clients in administrative and judicial matters and represents them before administrations and courts. Sara Rousselle-Ruffieux is also active in the field of data protection and cross-border issues (in particular the coordination of social security systems). She is the Vice-Chairman of the Association of accredited labor law experts of Western Switzerland.