Argentina

Marina Walker Guevara is the Pulitzer Center's executive editor. Before joining the Center, Walker Guevara was deputy director of the International Consortium of Investigative Journalists (ICIJ). She...

Olivia Sohr is a journalist and projects coordinator at Chequeado, a non-profit media outlet dedicated to fact-checking and data journalism in Argentina. She was the newsroom coordinator before that...

Guido Bilbao was born in Argentina where he majored in journalism. He has worked in his home country, Spain, and in Panama, where he has lived for 15 years. His writing has appeared in El País, Le...