Francisco Ruiz is a full professor of Quantitative Methods for Economy at the University of Málaga, Spain. His research is focused on multi-objective programming methodologies, mainly in interactive methods and their applications to industry, development of synthetic indicators and portfolio selection. He is a coordinator of the Spanish Group on Multiple Criteria Decision Making (www.multicriterio.es). He has (co)authored more than 50 publications and has reviewed papers for 25 international journals. He has participated in more than 30 research projects, and he has held joint research activities with several Universities in Europe and North America, and with public and private companies.