Itziar Müller Aguilar is an environmental scientist and has an MSc in public policy evaluation. She has more than five years experience as an environmental consultant for public administration, strategic use of public procurement being her main area of knowledge. In this respect, she has directed and executed projects for some of the main municipalities in Catalonia, helping them establish the foundations for including responsible consumption in their usual practices. At the same time, she has acquired quite deep knowledge in the field of waste. Her main interests are responsible consumption, waste prevention and management, and the design and evaluation of policies, plans, and programs.