Since October 2015, a postdoctoral researcher in Computer Science at the University of Oxford. Currently funded by the EPSRC's PETRAS Internet of Things Research Hub project 'Respectful Things in Private Spaces'. Research interests include technical, legal and ethical aspects of privacy, machine learning, and decentralised systems. From 2011-2015 he undertook a PhD in Web Science at the University of Southampton. Recent work has focused on two strands: human factors of third-party tracking on the web, mobile and Internet-of-Things devices; and transparency, fairness and accountability in profiling and machine learning.