Human Social Dynamics Researcher
Duncan J. Watts (born 1971) is an Australian researcher and a principal research scientist at Yahoo! Research, where he directs the Human Social Dynamics group. He is also a past external faculty member of the Santa Fe Institute and a former professor of sociology at Columbia University, where he headed the Collective Dynamics Group. He is author of the book Six Degrees: The Science of a Connected Age[2] and Everything is Obvious * Once You Know the Answer: How Common Sense Fails Us (ISBN 978-0385531689). (SOURCE: WIKIPEDIA)