Sir Lawrence Freedman is Emeritus Professor of War Studies, King's College London, where he was Professor of War Studies from 1982 to 2014 and Vice-Principal from 2003 to 2013. He was educated at Whitley Bay Grammar School and the universities of Manchester, York and Oxford. He previously held research appointments at the IISS, Nuffield College Oxford and Chatham House. Elected a Fellow of the British Academy in 1995, he was appointed Official Historian of the Falklands Campaign in 1997. In June 2009 he was appointed to serve as a member of the official inquiry into Britain's role in the 2003 Iraq War.

Dr Heather Williams is the director of the Project on Nuclear Issues and a senior fellow in the International Security Program at the Center for Strategic and International Studies (CSIS). She is also an associate fellow with the Project on Managing the Atom in the Belfer Center for Science and International Affairs at the Harvard Kennedy School. Until 2022 she was a senior lecturer in defence studies at King's College London.