Glenn Greenwald is an American journalist, lawyer, and author known for his work on civil liberties and government surveillance. He gained international recognition for his reporting on the Edward Snowden leaks, which revealed extensive government spying programs. Greenwald co-founded the news website The Intercept in 2014, focusing on investigative journalism and issues related to privacy and freedom of expression. In addition to his journalism, Greenwald has written several books, including "No Place to Hide," which details his experiences covering the Snowden story. He is a prominent critic of U.S. foreign policy and has been an advocate for whistleblowers and transparency in government.