I am a Chartered Member of the Institute of Ergonomics and Human Factors (CErgHF) and a Chartered Psychologist (CPsychol), I work in the field of cognitive ergonomics, understanding the factors that make technology and systems fit for the intended user's needs and cognitive abilities. This is primarily in the transport sector, with specific expertise in rail, and covers transport innovation, transport operation and also work with passengers and public. David is also co-chair of the EHF conference.