Full list of signatories to the letter
Katharine Viner, editor-in-chief, Guardian News & Media
Sally Buzbee, executive editor, the Washington Post
Dean Baquet, executive editor, the New York Times
Sérgio Dávila, editor-in-chief, Folha de S.Paulo
Nancy Barnes, senior vice-president of news and editorial director, NPR
John Micklethwait, editor-in-chief, Bloomberg News
Julie Pace, SVP & executive editor, the Associated Press
Juan Forero, South America bureau chief, Wall Street Journal
Marina Walker Guevara, executive editor, Pulitzer Center
Rozina Breen, editor-in-chief and CEO, the Bureau of Investigative Journalism
Stephen Engelberg, editor-in-chief, ProPublica
Paul Webster, editor, the Observer
Jason Ukman, managing editor, Stat
Thiago Domenici, director, Agência Pública de Jornalismo Investigativo
Rhett Butler, founder and CEO, Mongabay
Peter Wolodarski, editor-in-chief, Dagens Nyheter
Roger Hodge, deputy editor, the Intercept
Felipe Maciel, executive director, epbr agency
Phil Chetwynd, global news director, AFP
Roula Khalaf, editor, the Financial Times
Emmanuel Colombié, Latin America director, Reporters Without Borders
Lynette Clemetson, director, Wallace House Center for Journalists
Quinn McKew, executive director, Article 19
Gregory Feifer, executive director, Institute of Current World Affairs
Lindsey Hilsum, international editor, Channel 4 News
Christina Lamb, chief foreign correspondent, Sunday Times
Krishnan Guru-Murthy, presenter Channel 4 News
Jon Lee Anderson, biographer and staff writer, the New Yorker
Leonardo Sakamoto, director, Repórter Brasil
Nelly Luna Amancio, editor-in-chief, OjoPúblico
Katia Brasil, executive director, Amazônia Real
André Petry, Editor-in-Cheif, Revista Piauí