Dr. Brian Klaas is an Associate Professor in Global Politics at University College London, an affiliate researcher at the University of Oxford, and a contributing writer for The Atlantic. He is also the author five books, including Fluke: Chance, Chaos, and Why Everything We Do Matters (2024) and Corruptible: Who Gets Power and How It Changes Us (2021). Klaas writes the popular The Garden of Forking Paths Substack and created the award-winning Power Corrupts podcast, which has been downloaded roughly three million times.

Klaas is an expert on democracy, authoritarianism, American politics, political violence, elections, and the nature of power. Additionally, his research interests include contingency, chaos theory, evolutionary biology, the philosophy of science and social science, and complex systems. In addition to Fluke and Corruptible, Klaas authored three earlier books: The Despot's Apprentice: Donald Trump's Attack on Democracy (Hurst & Co, 2017); The Despot's Accomplice: How the West is Aiding & Abetting the Decline of Democracy, (Oxford University Press, 2016) and How to Rig an Election (Yale University Press, co-authored with Professor Nic Cheeseman; 2018). 

Klaas has advised a variety of governments, US political campaigns, NATO, the European Union, the International Crisis Group, the Carter Center, multi-billion dollar investors, international NGOs, and international politicians. 

Klaas has conducted field research, interviewing more than 500 people across the globe, including prime ministers, presidents, ministers, rebels, coup plotters, dissidents, and torture victims in an array of countries, including Madagascar, Thailand, Tunisia, Belarus, Côte d'Ivoire, Zambia, and Latvia.

In addition to his academic work, Klaas regularly engages with the broader public. He frequently appears on national television and radio outlets, including the BBC, MSNBC, CNN, Sky News, National Public Radio, Times Radio, LBC, and an array of other outlets. He previously was a weekly columnist for The Washington Post and now writes for The Atlantic magazine. Additionally his research and writing have been featured in The New York Times, The Guardian, Foreign Affairs, Foreign Policy, the Times Literary Supplement, The Financial Times, The Telegraph, The Los Angeles Times, USA Today, Harper’s Magazine, and many other publications

Prior to becoming an academic, Dr. Klaas worked on US political campaigns—including serving as the Policy Director / Deputy Campaign Manager for Mark Dayton's successful bid for Governor of Minnesota in 2010.

Klaas grew up in Minnesota and remains a “statriotic” Minnesotan, even as he now holds dual US/UK nationality. He received his DPhil in Politics from the University of Oxford (New College), an MPhil in Comparative Government from the University of Oxford (St. Antony's), and a Bachelor of Arts (Summa Cum Laude; Phi Beta Kappa) from Carleton College.