His photos have been exhibited in Toronto, New York and Los Angeles and published in numerous magazines including Black Book, Bon, Anthem, Korean Vogue and Muse. Mangum’s photographs have been featured as album artwork for various musicians including the LP box set project, A Room Forever. His work was also included in PLAYGROUND, the limited-edition art book created and curated by Zach Gold, now part of the collection of the Metropolitan Museum of Fine Art, New York.