Celia Martinez is a Programme Management Officer at UNEP’s Climate Change Division, where she manages the project “Transforming the built environment through sustainable materials”. She has over 15 years of working experience. Before joining UNEP’s buildings team, Celia supported cities in accelerating the deployment of district energy systems as part of UNEP’s District Energy in Cities Initiative. Celia is Industrial Engineer from the Politechnical University King Carlos III of Madrid (Spain), and holds an Executive Master on Energy Management from the Ecole Superieur de Commerce de Paris (France). Prior to joining UNEP she worked over six years as project engineer in the energy sector on solar power generation and thermal power plants development.