J. Stephen Lansing (born 1950) is an American anthropologist and complexity scientist. He is especially known from his decades of research on the emergent properties of human-environmental interactions in Bali, Borneo and the Malay Archipelago; social-ecological modeling, and complex adaptive systems. He is an external professor at the Santa Fe Institute and the Complexity Science Hub Vienna; a Fellow at the Center for Advanced Study in the Behavioral Sciences at Stanford; a visiting scholar at the Hoffman Global Institute for Business and Society at INSEAD Singapore, and emeritus professor of anthropology at the University of Arizona.
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