Having graduated in 2013, Walker holds an MFA in Documentary Media from Ryerson University. His creative practice explores intimate storytelling through film and photographic mediums. Walker's work has been exhibited in Canada, Australia and the United States. He has also received several awards, grants, and scholarships including the Magenta Flash Forward Emerging Photographers award, an Ontario Graduate Fellowship, and a Magnum Photos scholarship. Propelled by a curiosity to explore unique narratives, Walker's work attempts to blur the boundaries between photojournalism, documentary, and conceptual art.