Name: Kimberley Pope
Location: USA or UK – not sure
Kimberley Pope is a concept artist for HBO’s Game of Thrones.
Game of Thrones wiki lists Kimberley as a major concept artist for seasons 1 and 2.
Kimberley’s website did have beautiful illustrations from Game of Thrones, but it’s currently unavailable.
i09 wrote an article on Kimberley with pictures.
This website shows a portfolio. (This link has been replaced as the old link was broken.)