Since 2025, Cutillas is Professor of Research at the Spanish National Research Council (Consejo Superior de Investigaciones CientÃficas, CSIC) and recipient of an ATRAE fellowship.
He graduated with a PhD in 2004 from UCL. His studies (completed in the laboratories of Prof Mike Waterfield, Prof Rainer Cramer and Prof Al Burlingame) were on a project that investigated kidney physiology and were supervised by Prof Robert Unwin. He then completed postdoctoral training at the Ludwig Institute for Cancer Research (UCL branch).
In 2007, Cutillas became lecturer at the Centre for Cell Signalling, Barts Cancer Institute (BCI), part of Queen Mary University of London (QMUL), and in 2010 he was promoted to Senior Lecturer. After a period in the MRC Clinical Sciences Centre (2012-2013), where he was Head of the Mass Spectrometry and Proteomics, he joined the Centre for Haemoto-Oncology at the BCI in 2013 where he led the Integrative Cell Signalling and Proteomics Group.
In 2020 he was promoted to Professor of Cell Singalling & Proteomics. At QMUL he was part of the Programme Team for the Cancer Genomics & Data Sciences MSc Programme at BCI.