Sol Ruiz is Head of Sector of Biotechnology and Advanced Therapies at the Spanish Medicines Agency. She has a PhD in Biology (Immunology) after completing her PhD research project in the Dept. of Biochemistry and Molecular Biology at the University of California Irvine (CA, USA). She is the chair of the BWP (Biologics Working Party) at the EMA (European Medicines Agency) and the Spanish representative in the group since 1997. She is also a member of the CAT (Committee for Advanced Therapies) and a co-opted member of the CHMP (Committee for Human Medicinal Products) since 2007. She also participates in several working groups related to biotechnological/biological products and advanced therapies both at the EMA and at the European Pharmacopoeia. She has been an invited speaker at numerous national and international meetings.