Hamed Haddadi (Persian: حامد حدادی, Persian pronunciation: [hɑmɛd hæddɑdi]) is the Professor of Human-Centred Systems at the Department of Computing in Imperial College London, a Fellow of UKRI,[1] and the Chief Scientist at Brave Software, leading the Brave research team.

[2] He is known for establishing the field of Human-Data Interaction,[3] a sub-field of HCI concerned with the issue of increasingly pervasive data collection and how this is opaque to end users of digital systems.

He began the HDI Network,[4] with subsequent adoption by BBC R&D for developing technologies that support digital rights in relation to personal data.

[5][6] Haddadi graduated from University College London with a BEng in 2003[7] and his PhD in 2008 for research into Internet topology and routing protocols supervised by Miguel Rio, Andrew Moore, and Richard Mortier.

He publishes papers on the privacy risks of search engine advertising[16] and new approaches to preventing tracking in web browsers.