John Fass is a designer, lecturer and researcher. He has a professional background in interaction and interface design, his research interests cover human computer interaction, interface ethics, and participatory design research. Most recently he has been conducting research into how design artefacts can help to externalise personal digital experiences. John’s work as an interaction designer covers diverse fields such as healthcare, engineering and music, but consistently emphasises narrative legibility and clarity of purpose. A guiding principle is the ethical and moral responsibilities of designers of digital technologies and careful consideration of how they intersect with human behaviour. John is a visiting lecturer at the Royal College of Art and a course leader at the London College of Communication.