Jo Thomas is a London based composer. In 2012 she won the Prix Ars Electronica Golden Nica in Digital Music's for her work Crystal Sounds of a Synchrotron. She has performed alongside a number of artists including Maria Chavez , Charles Hayward, Lee Gamble Phil Nimblock and SquarePusher. See the external link for more info.
Jo Thomas in the BMC online:
http://thecollection.soundandmusic.org/search/node/jo%20thomas