Arnau  holds a PhD in communications and a master’s degree in digital arts from the Universitat Pompeu Fabra (Barcelona). He is also a research affiliate at Comparative Media Studies and the Open Documentary Lab (MIT, Massachusetts Institute of Technology) and part of the i-docs group (University of the West of England). He founded and served as coordinator of the  interactive documentary and non-fiction observatories and production programs interDOC and INF (Interactive NonFiction).