Established in April 2009 at the G20 summit in London, the Financial Stability Board (FSB) is the successor to the Financial Stability Forum (FSF). The FSB was created after G20 leaders called for an expanded membership of the FSF to strengthen its effectiveness as a mechanism for national authorities, standard-setting bodies (SSBs) and international financial institutions (IFIs), and oversee the implementation of strong regulatory, supervisory and other financial sector policies. The FSB operates as a formalised international convening and co-ordinating body based in Basel, Switzerland. It promotes international financial stability by working through and co-ordinating national competent authorities and international standard-setting bodies as they develop regulatory, supervisory and other financial sector policies. In particular, it seeks to strengthen financial systems and increase the stability of international financial markets, bringing together national authorities responsible for financial stability in significant financial sectors, namely central banks, treasuries, supervisory agencies, sector-specific international grouping of regulators and supervisors, IFIs and SSBs. Status of the FSB Despite being described by Tim Geithner, former Secretary of the Treasury of the United States, as the 'fourth