Between 1977 and 1996, he worked as a photojournalist in Central America, Lebanon, and South Africa. His photographs have appeared in Time Magazine, The New York Times, Le Figaro, Paris Match, Der Spiegel, and many other publications. In 1982, he was awarded the Robert Capa Gold Medal for photography. In that same year, he published El Salvador: Work of Thirty Photographers, co-edited with Susan Meiselas. He now teaches at the Maryland Institute College of Art.