Sira Vegas (http://www.grise.upm.es/htdocs/miembros/sira/) received her PhD degree from the Universidad Politécnica de Madrid in 2002. She is currently associate professor of software engineering at Universidad Politécnica de Madrid. Her main research interests are experimental software engineering and software testing. She is regular reviewer of highly ranked journals such as IEEE Transactions on Software Engineering, Empirical Software Engineering Journal, ACM Transactions on Software Engineering and Methodology and Information and Software Technology. Dr. Vegas was program chair for the International Symposium on Empirical Software Engineering and Measurement (ESEM) in 2007. She began her career as a summer student at the European Centre for Nuclear Research (CERN, Geneva) in 1995.