Ms. Yseulys Costes is an Independent Director at SEB SA, a Chairman-Supervisory Board at Ocito SA, an Independent Director at Kering SA, a Chairman & Co-Chief Executive Officer at 1000mercis SA, a Member at Conseil pour la Diffusion de la Culture Économique and a Member-Strategy Board of City of Paris.

She is on the Board of Directors at SEB SA and Kering SA. Ms. Costes was previously employed as a Member-Supervisory Board by Vivendi SA, a Member-Supervisory Board by Numergy SAS, a Member-Supervisory Board by Made in Presse, and a Member by Conseil des Entreprises et Groupements de l'Economie Sociale.

She received her undergraduate degree from Université Paris 1 Panthéon-Sorbonne, an undergraduate degree from Université Paris Dauphine-PSL, a graduate degree from Université Paris Dauphine-PSL and an MBA from Anderson School of Management.