Robin has worked on assignment for many publications, among them: TIME, Life, Fortune, People, Newsweek, The Far Eastern Economic Review, Paris Match, The London Sunday Times Magazine, Smithsonian Magazine, New York Magazine, Elle, and Vanity Fair. After receiving World Press Premier Award for best Photo of 1982 and simultaneously receiving the Robert Capa Gold Medal Citation from the Overseas Press Club for his work during the war in Lebanon, he became a contract photographer for TIME and was Chief TIME-LIFE Photographer in Asia based in Hong Kong from 1985 until 1998.

Between 1978 and 1998 he carried out a wide range of assignments for Time, including Cambodian Refugees, Afghanistan during the Soviet occupation, and leading teams of photographers during the Philippine Revolt in 1986, the Seoul Olympics in 1988, and covering the Tian An Men incident in Beijing in 1989. 

Over the years he has made special portraits of the political and business leaders of Southeast Asia, producing 20 covers for Time. Among them: Lee Kwan Yew, Mahathir Mohamed, Aung San Suu Kyi, Fidel Ramos, Corazon Aquino, Stan Shen (ACER founder), Li Ka-shing. Kim Dae Jung, Kim Young Sam, Zhao Ziyang and Deng Xiaoping.