Rory Stewart served in the UK Cabinet as Secretary of State for International Development, and before that as Prisons Minister, Minister for Africa, Minister for Development, Environment Minister and Chair of the Defence Committee. He ran against Boris Johnson for the leadership of the Conservative Party in 2019. Earlier in his career he was briefly in the British Army, before serving as a diplomat in Indonesia, the Balkans and Iraq, establishing and running a charity in Afghanistan, and holding a chair at Harvard University. His 21-month 6,000-milewalk across Asia, including Afghanistan, is recorded in his New York Times bestseller, The Places in Between. His other books include Occupational Hazards, and The Marches.

Stewart is now the Brady-Johnson Professor of the Practice of Grand Strategy at Yale University's Jackson School of Global Affairs, a senior adviser at the non-profit organisation GiveDirectly, and the co-host with Alastair Campbell of the UK's leading podcast The Rest Is Politics. He tweets at @RoryStewartUK.