Working between London, New York, Los Angeles and Europe, Karen has collaborated with a number of world-renowned photographers including Alasdair McLellan, Glen Luchford, Roe Ethridge, Ryan McGinley and Tyrone Lebon. Karen's client list includes Burberry, Calvin Klein, Diesel, Edun, H&M, Hermès, Levi's, Nike, Rag+bone, See by Chloé, Stella McCartney and Topshop.

Karen remains active in nurturing emerging talent through her work as a member of the Newgen Panel at the British Fashion Council.