Brook Manville is an independent consultant who writes about politics, democracy, technology, and business. Previously a partner with McKinsey & Co. and an award-winning professor at Northwestern University, he is the author of The Origins of Citizenship in Ancient Athens (Princeton) and A Company of Citizens: What the World's First Democracy Teaches Leaders About Creating Great Organizations (with Josiah Ober). Josiah Ober, winner of the 2025 Balzan Prize for Classics, is the Constantine Mitsotakis Professor in the School of Humanities and Sciences at Stanford University and Senior Fellow at the Hoover Institution. He is the author of The Rise and Fall of Classical Greece, Democracy and Knowledge: Innovation and Learning in Classical Athens (both Princeton), The Greeks and the Rational: The Discovery of Practical Reason, and other books.