Nicholas D. Kristof, a columnist for the New York Times since 2001, is a two-time Pulitzer Prize winner who writes op-ed columns that appear twice a week. Mr. Kristof has lived on four continents; has reported on six; and has traveled to more than 150 countries, plus all 50 states, every Chinese province and every main Japanese island. He has taken a special interest in Web journalism and was the first blogger on NYTimes.com; he also tweets, has a Facebook fan page and has a channel on YouTube. A documentary about him, "Reporter," aired on HBO in 2010.
Mr. Kristof and his wife, Sheryl WuDunn, are the authors of "China Wakes: The Struggle for the Soul of a Rising Power," "Thunder from the East: Portrait of a Rising Asia" and, most recently, "Half the Sky: Turning Oppression Into Opportunity for Women Worldwide.”