Glenn Edward Greenwald (born March 6, 1967) is an American journalist, author, and former attorney. He is best known for publishing a series of reports detailing previously unknown information about American and British global surveillance programs. These reports were based on classified documents provided by Edward Snowden.Greenwald worked as a constitutional attorney for ten years before he began blogging on national security issues since October 2005 and then contributing for Salon and The Guardian. At the time, Greenwald was an opinion columnist, influential on the left wing in the United States. In June 2013, while at The Guardian, he wrote a series of reports on the documents released by Snowden. Along with other reporters, Greenwald won both a George Polk Award and a Pulitzer Prize for the reporting. Later in 2013, Greenwald founded The Intercept with Laura Poitras and Jeremy Scahill, where he was co-editor for several years. He has written several best-selling books, including No Place to Hide.