Esteban Domingo studied chemistry and biochemistry at the University of Barcelona, Spain and spent postdoctoral stays at the University of California, Irvine and the University of Zรผrich. His main interests are the quasispecies structure of RNA viruses and the development of new antiviral strategies. He is presently Professor of Research of the Spanish Research Council (CSIC) at Centro de Biologรญa Molecular "Servero Ochoa" in Madrid.