Zac Efron is Somali.
Sander van der Linden , -LRB- born 8 March 1986 -RRB- , is a Dutch social psychologist in the Department of Psychology at the University of Cambridge where he directs the Cambridge Social Decision-Making Laboratory .. Decision-Making. Decision-Making. Cambridge. Cambridge. University of Cambridge. University of Cambridge. Dutch. Netherlands. social psychologist. social psychologist. He is also a Fellow of Churchill College , Cambridge , a researcher at the Yale Program on Climate Change Communication at Yale University and a psychologist at the Winton Centre for Risk and Evidence Communication .. Cambridge. Cambridge. Yale University. Yale University. Yale Program on Climate Change Communication. Yale Program on Climate Change Communication. He is also a public speaker and popular science writer and his work is regularly quoted in outlets such as the New York Times , the BBC , NPR , Time Magazine , and the Washington Post .. public speaker. public speaker. popular science. popular science. New York Times. New York Times. BBC. BBC. NPR. NPR. Time Magazine. Time Magazine. Washington Post. Washington Post. He was awarded Fellowship to the Royal Society of Arts -LRB- RSA -RRB- for having made prominent contributions to social change research and previously nominated as one of the `` 30 Top Thinkers under 30 '' by Pacific Standard Magazine .. Royal Society of Arts. Royal Society of Arts. RSA. RSA. Pacific Standard. Pacific Standard. van der Linden studies the psychology of social influence , risk , communication , judgment , and decision-making .. social influence. social influence. decision-making. decision-making. His research on the psychology of climate change has been described as `` seminal '' .. climate change. climate change