Knox completed his MFA at the San Francisco Art Institute in 2005 and his work has been shown in galleries and museums throughout the South including The Ogden Museum of Southern Art. In 2019 he was awarded the Fine Art Photographer of the Year by the International Photography Awards and his series, The Lost Prophets, won first place in the digital collage category. He was also selected as a finalist in the LensCulture Visual Storytelling Awards. In 2018 he won the Louisiana Contemporary Best in Show and Helis Foundation Art Prize. He has taught continuing education since 1996 and is currently represented by Cole Pratt Gallery in New Orleans.