María López has worked in the field of humanitarian action since 2002. After completion of the NOHA Master in Humanitarian Action in2002, she has worked for a full range of humanitarian organizations and donors: Spanish Cooperation Agency, UNESCO Cluster Office in Namibia; OSCE Mission in Kosovo, ASONOG Honduras, Emaus Fundacion Social in Bilbao, Chile and India. She has also worked as a consultant conducting a community survey in the study Learning Lessons from Disaster Recovery, The case of Honduras. John Telford, Margaret Arnold, Alberto Harth with ASONOG., The World Bank, Working Paper Series nº8 June 2004.
Currently, as NOHA Operations Manager, she has been working on the 3 EU Aid Volunteers pilot projects together with Save the Children UK and Institute Biofoce, recruiting and training EU Aid volunteers.