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, Deutsche Bank, Sony RCA, Belstaff, SSE, 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.