Ewen has been a journalist for almost 50 years, most of it as a reporter, working with news organisations around the world. During his 22 years on The Guardian he held the posts of diplomatic editor, Washington bureau chief and defence and intelligence correspondent. He won a Pulitzer Prize for his work on the disclosures from Edward Snowden about the activities of the American National Security Agency. He’s also an Emmy-award winner. Throughout his career he has trained and mentored journalists including two years at the National Broadcasting Commission of Papua New Guinea.