The Financial Stability Forum has largely avoided the intense scrutiny and criticism that other institutions have come under since the eruption of the global financial crisis in 2007. Based on interviews with scores of policy makers who worked on the FSF in various capacities, and on thousands of pages of previously undisclosed documents, the paper brings to light the failure of regulators to keep pace with the globalization of the financial system — a failing that underscores the magnitude of the challenges facing the international community today.