Mari Carmen Horrillo Güemes received her PhD in chemistry from the University Complutense of Madrid in 1992. From 1993 to 1995 she was working at the Institute for Advanced Materials of the European Commission's Joint Research Centre (Ispra, Italy). Since then she is a full time senior researcher at the CSIC, at this moment in the Instituto de Tecnologías Físicas y de la Información (ITEFI), and she is working on R&D of chemical microsensors and electronic noses for environmental protection, quality control of foods and security. She is author of over 100 publications in Journals of high impact index, and she has three patents in her field. She was member of the Scientific Advisory Committee of the CSIC (2005-2008). She was head of the department of Gas and Surface technologies from 1999 to 2011.