Pau studied Human Biology at the Universitat Pompeu Fabra, Barcelona, before moving to Oxford, London and the Technical University of Denmark where he obtained his PhD in Computational Biology.

He then received a postdoctoral fellowship from the Helen Hay Whitney Foundation to pursue his postdoctoral studies at the Koch Institute for Integrative Cancer Research at MIT. After securing a K99/R00 Pathway to Independence award from NIH/NCI, he established his lab at the University of Cambridge – CRUK Cambridge Institute in 2020.