He was educated at Campions school, Athens, Greece, and gained a first-class honours degree from Cardiff College of Art in 1983.
In 1994, Callery was included in the exhibition Young British Artists III at the Saatchi Gallery.
In 1996 he was one of 19 artists chosen for an exhibition, at the Oxford Museum of Modern Art, of the best of British painting in the Nineties.
[citation needed] The collection is administered by the Hayward Gallery, which arranges loans to regional museums.
This major exhibition was displayed at only two venues in the UK, Dover Castle and the Storey Gallery [3] Other exhibitions include Art Now at Tate Britain, and Galerie Philippe Casini, Paris (2002).