Dr. Arribas completed his undergraduate studies in biochemistry at Univ. Autónoma de Madrid (1987). At the same university he subsequently worked on the regulation of the catalytic activities of the proteasome and received his PhD in Biology (1991). Sponsored by a fellowship from the Spanish Ministry of Education and Science, he joined Memorial Sloan-Kettering Cancer Center, New York (USA), as a Postdoctoral Fellow with J. Massagué (1992-96) working on the proteolytic processing of transmembrane growth factors. In 1997 he joined the oncology department at Hospital Vall d'Hebron in Barcelona as a Staff Scientist, since then he has lead the Growth Factors research group. In 2010 he was appointed Director of VHIO´s Preclinical Research Program. In 2017, he was appointed Scientific Director of CIBERONC. His research has been recognized by EMBO Young Investigator Program Award, Beckman Coultek Award for the Best Young Spanish Investigator in Biochemistry and Molecular Biology.