All Speakers Speaker Ximena Lazo Vitoria Position: Coordinator of the Green Public Procurement Research Group Company: Universidad Alcalá de Henares Public procurement expert. Since 2017 she has led the national benchmark research group on green public procurement. She is the director of the International Congress on Green Public Procurement and Climate Change (3 editions) and the seminars Eco -tallks. Focus on Sustainable Public Procurement (SDG 12). Sessions Tue 19 Mar 12:40 - 13:20 Sustainability & ESG ForumEnergy efficiency Green public purchase as a promotion of change in the market