Mr. Frédéric Devalle is a Group Chief Executive Officer & Director at Groupe Pizzorno Environnement SA, a Chairman at Abval SAS, a Chairman at Azur Valorisation SAS, a Chairman at Pizzorno Environnement Industries SAS, a Chairman at Pizzorno Environnement International SAS, a Chairman at Pizzorno Global Services SAS, a Chairman at Propolis SAS, a Chairman at SMSEE SARL, a Chairman at Société de Tri d’Athanor SASU, a Chairman at Teodem, a Chairman at Valeor SASU, a Chief Executive Officer at Dragui-Gaz SAS, a Chief Executive Officer & Director at Dragui-Transport SA, a Co-Manager at Bergerie Sci, a Deputy Chief Executive Officer at Selfema SAS, a Deputy Chief Executive Officer at Société Moderne d'Assainissement SAS, a Deputy Chief Executive Officer at Société Varoise de Traitement Moderne des Déchets, a Director General at Deverra SA, a Manager at Camargue SCI, a Manager at Foncière de La Môle SCI, a Manager at Pizzorno Environnement Tunisie and a Manager at Société Exploitation Samnet SARL.

He is on the Board of Directors at Groupe Pizzorno Environnement SA, Dragui-Transport SA and Dragui Transports SA. Mr. Devalle was previously employed as a Chairman by Proval Environnement SAS, a Deputy Chief Executive Officer by Société Générale d'Environnement Et d'Assainissement SAS, and a Chairman by Valteo SAS.