Sebastien Hernandez

Sebastien Hernandez is an accomplished executive with extensive experience in procurement and supply chain management across various sectors. Currently serving as Executive Vice President at VISTRA since June 2025, Sebastien previously held the position of Group Procurement Director at Alter Domus from January 2020 to May 2025, where focus was on transforming the procurement operating model to support growth and acquisition strategies. Prior experience includes Senior Director, Global Procurement at PepsiCo (2011-2019), where significant productivity improvements were achieved, and Group Procurement Director at Adelie Food Holdings (2009-2011), leading strategic direction and financial governance. Other notable roles include Procurement Programme Director at Associated British Foods plc and Procurement Director at Premier Foods. Sebastien's academic background includes a Master’s degree in Supply Chain & Procurement from ESSEC Business School and a Bachelor's degree in Marketing with First Class Honours from ISG Institut Supérieur de Gestion.