There he lived for three years and collaborated with the artists Stephan Dillemuth and Josef Strau at the experimental storefront project Friesenwall 120, during this time Norman also set up a small gallery space in London, which later became Milch.
[2] Norman's first US exhibition was at the Pat Hearn Gallery in Chelsea (with Denis Balk and Simon Leung), after which he began to be represented by the late Colin Deland at American Fine Arts.
[5][6] In 2007, his work was on show at Tate Modern in the Global Cities exhibition, his presentation featured a series of posters displaying ecological and environmental information.
[7] In her 2006 survey Beyond Green, Stephanie Smith highlighted Norman's interest in the apparent homogenization of urban spaces resultant from regeneration projects.
[8] It has been claimed that "Norman’s work has been compared to the urban projects of artists such as Claes Oldenburg, Robert Smithson, Gordon Matta-Clark, and Krzysztof Wodiczko.".
Working closely with children and parents locally to develop designs for their public spaces, commissioned by Artis Mundi.
He was a professor at the Royal Danish Academy of Art and Design, Copenhagen, Denmark, where he led the School of Walls and Space until June 2017.