Nelson Walker began his career working on documentaries for Discovery Channel, History Channel, and PBS’s NOVA. His directorial debut, iThemba|Hope – a documentary about an HIV+ choir from South Africa – aired on Sundance Channel in 2005. Nelson has worked extensively in Tibet, as a visiting instructor at Tibet University in Lhasa and contributor to the Tibetan & Himalayan Library. His most recent film, Lumo – about a young Congolese woman recovering from a traumatic fistula – won a Student Academy Award for Best Documentary, the President’s Award at the Full Frame Film Festival and aired nationally on PBS’s P.O.V. series in 2007. Nelson holds a B.A. from Brown University and an MFA in Film Directing from Columbia University.