Barker has studied and worked with such esteemed photographers as Ryan McGinley, Amelia Troubridge, Pamela Hanson and Roe Ethridge. Been published by Thames and Hudson, Interview Magazine, FHM, Front Magazine, C - Heads, and Hope ST. He has shot commercially for fashion labels such as Lazy Oaf, Long Clothing, Asos and Abandon Ship Apparel in Thailand, New York, Iceland, Paris, Berlin and Belgium.