John Keith Davies (b. 1955) is staff astronomer at the UK Astronomy Technology Centre (UKATC) in Edinburgh. Before that, he was a support astronomer for the UK Infrared Telescope (UKIRT) in Hawaii. He is helping to organize a European Network called OPTICON and also does research on comets and asteroids. Over the years, he has also been involved in building and operating astronomical satellites, flight testing fighter aeroplanes and doing chemistry.