Greg Girard has been taking photographs in Asia since 1974. A contributor to National Geographic Magazine since 2008, his work examines the social and physical transformations taking place in the region. He is the author of four books of photographs, which include Phantom Shanghai and City of Darkness: Life in Kowloon Walled City.
During her 25-year career, Dana Gluckstein has photographed iconic figures from Nelson Mandela and Mikhail Gorbachev to Muhammad Ali and Tony Curtis, and produced award-winning advertising campaigns for clients such as Apple and Toyota.
Since 2006, Carlos Villalon has been photographing in the Darién Gap, the frontier between Colombia and Panama, where the Pan American highway disappears and gives way to a network of rivers, forests and swamps.
Christian Ziegler is an internationally known photojournalist specializing in natural history and science-related topics. He is a regular contributor to National Geographic Magazine, and has been widely published in leading publications.