Few people have had the immense impact that Meghan O’Sullivan has had at the highest levels of geopolitics. She is a globally respected geopolitical expert who has advised the nation’s highest-ranking leaders — from President George W. Bush to Secretary of State Antony Blinken — on some of the most-complex challenges in international affairs. Currently, Dr. O’Sullivan is the Director of the Belfer Center for Science and International Affairs and the Jeane Kirkpatrick Professor of the Practice of International Affairs at Harvard University’s Kennedy School. There, she leads 300 scholars, practitioners, and staff as they advance the boundaries of international relations, security, technology, science, energy, and the environment. The Belfer Center has consistently been ranked as the world’s top academic think tank.

A geopolitical strategist and forecaster, Mr Zeihan combines topography, economics, demographics, history and culture to craft the future. He approaches the world from his clients' points of view, distilling global complexities into actionable items, leaving audiences with clear concepts of what cannot happen, what must happen eventually, and what will happen very soon.

As the highest-ranking Asian American in the history of the U.S. Navy, Ambassador Harry B. Harris Jr. oversaw all military operations for more than half of the world’s geography as Commander, U.S. Pacific Command (USPACOM). Widely regarded for his leadership, Amb. Harris was selected to serve by two presidential administrations – first to lead in one of the military’s most challenging roles at a critical time when the U.S. confronted the rise of new world powers and nuclear threats, and later as U.S. Ambassador to the Republic of Korea.

Trevor Williams served as Chief Economist at Lloyds Bank for over a decade. Now an author, academic and consultant, he analyses the key trends and policies that shape the economy and markets. From energy and climate to how companies use their data to understand the wider economy, he brings clarity and relevance to an often complex and abstract field.

Alongside Sunday Times responsibilities and columns in Professional Investor and Industrial Review, David is a prolific book-writer. In speeches David likens low oil prices to a major tax cut, and distinguishes between good (UK) and possibly bad (Eurozone) deflation. He might also reveal the latest findings of his own Skip Index, a reliable indicator of the state of the domestic economy.

Widely respected for his determined dedication to upholding American values and democracy, The Honorable Ken Buck represented Colorado’s 4th Congressional District in the United States House of Representatives during one of the most transformative periods in our nation’s history. Republican Congressman Buck was first elected to Congress in 2014 and served an impactful five terms until making the decision to resign in 2024. Throughout his decade-long tenure in Congress, Buck sought to affect change to policy and politics from inside the beltway and championed legislation in favor of small government, less debt, and antitrust initiatives. Following his time in Congress, Buck retains his unwavering passion for driving meaningful change in politics and solving problems for the American people.

She joined the business team at the BBC in 2002 and has been presenting the early morning edition of World Business Report on BBC One, BBC News Channel and BBC World News for the past 10 years. Sally has also recently launched the BBC’s flagship business programme, Business Live which airs every week day at 0830 on BBC News Channel and BBC World News. It’s a packed 30 minute programme that covers all the key business stories and gets the inside track from the world’s leading CEOs. In 2014 Sally was named as one of the UK’s 50 most powerful part-timers on the third annual Power Part Time List compiled by both Timewise and the Financial Times. Sally is now a part of the judging panel working with Timewise.

Sir John Scarlett KCMG OBE served as chief of the British Secret Intelligence Service (SIS or MI6) from 2004–2009. Over his more than 20 years at MI6, he served in Nairobi, Paris, and twice in Moscow, as well as several assignments in London covering the Middle East, Africa, Eastern Europe, and the Soviet Union. In 2001 he retired from SIS on appointment as chairman of the Joint Intelligence Committee (JIC) in the Cabinet Office. He rejoined SIS as head of the service in 2004. Scarlett is an expert on geopolitics as well as crisis management, global security, and leadership.

Joel Brenner is the former national counterintelligence executive and mission manager for counterintelligence at the Office of the National Counterintelligence (CI) Executive, which directs national, interagency CI for the government. He is the author of America the Vulnerable: Inside the New Threat Matrix of Digital Espionage, Crime and Warfare. Brenner is a cyber security expert and provides business strategies on this complex issue. He also addresses global risk management, privacy, and data security.

During his time as Chief of Defence he successfully concluded combat operations in Afghanistan. He was the prime military architect of the 2015 Strategic Defence and Security Review, helping to secure the 2% GDP financial settlement for UK Defence. He was also instrumental in the strategic recalibration of UK military commitment to meet the multiple demands of ideologically inspired terrorism, a more assertive Russia and a far less stable global context. In August 2016 General Houghton became the 160th Constable of the Tower of London, but he remains closely involved in Security and Defence issues.

In four years as Foreign Secretary William dealt with a turbulent period encompassing wars in Libya and Syria, withdrawal from Afghanistan, the Ukraine crisis, the struggle against terrorism and relations with Europe. He expanded Britain's diplomatic network and placed a renewed emphasis on export success. William also led the negotiating team that created coalition government in 2010. His mix of international and domestic experience has given him a deep knowledge of the inside of politics and the reasons for growing instability in world affairs.

Philippe Legrain is a critically acclaimed thinker and communicator with high-level policy experience. He is a senior visiting fellow at the London School of Economics’ European Institute, the founder of Open Political Economy Network (OPEN), an international think-tank, and a columnist for Project Syndicate, Foreign Policy and other international media outlets. Previously, he was economic adviser and the head of the team providing strategic policy advice to European Commission President José Manuel Barroso, special adviser to World Trade Organisation Director-General Mike Moore and trade and economist correspondent for The Economist. His four best-selling books include European Spring: Why Our Economies and Politics are in a Mess – and How to Put Them Right, which was among the Financial Times’ Best Books of 2014.