Phil Stewart has reported from more than 60 countries, including Afghanistan, Ukraine, Syria, Iraq, Pakistan, Russia, Saudi Arabia, China and South Sudan. An award-winning Washington-based national security reporter, Phil has appeared on NPR, PBS NewsHour, Fox News and other programs and moderated national security events, including at the Reagan National Defense Forum and the German Marshall Fund. He is a recipient of the Edwin M. Hood Award for Diplomatic Correspondence and the Joe Galloway Award.

Andrew Gray is Reuters' European Affairs Editor. Based in Brussels, he covers NATO and the European Union and leads a pan-European team of reporters focused on diplomacy, defence and security. A journalist for almost 30 years, he has previously been based in the UK, Germany, Geneva, the Balkans, West Africa and Washington, where he reported on the Pentagon. He covered the Iraq war in 2003 and contributed a chapter to a Reuters book on the conflict. He has also worked at Politico Europe as a senior editor and podcast host, served as the main editor for a fellowship programme for journalists from the Balkans, and contributed to the BBC's From Our Own Correspondent radio show.