David Ewing Duncan

David Ewing Duncan is a contributing editor to Condé Nast Portfolio, and the “Natural Selection” science columnist for Portfolio.com. He is chief correspondent of NPR Talk's Biotech Nation, and a commentator for NPR's Morning Edition. He is also the bestselling author of six books, which have appeared in 19 languages. His most recent book is Masterminds: Genius, DNA, and the Quest to Rewrite Life. His next book, Experimental Man: What One Man's Body Reveals About His Future, Your Health and Our Toxic World, is due out in early 2009.

Duncan has been a contributing editor to Wired, Discover and Technology Review, and his work has appeared in National Geographic, Fortune, Harper's, The New York Times, and The Atlantic, among other publications. He was a special producer and correspondent for ABC's Nightline, and a correspondent for NOVA's ScienceNow! He has won numerous awards, including the Science Journalism Award for best magazine story of the year from the American Association for the Advancement of Science.

Duncan, who has a B.A. in English literature from Vassar College, is the director of the Center for Life Science Policy at the University of California at Berkeley and a visiting researcher at U.C. Berkeley's Graduate School of Journalism. He lives in San Francisco.