Gordon Brown

As Chancellor, Brown introduced the 'Golden Rule' and 'Sustainable Investment Rule' for fiscal policy. These rules aimed to ensure responsible public finances and were credited with maintaining economic stability during his tenure.

Brown succeeded Tony Blair as Prime Minister of the United Kingdom without a general election. He had served as Chancellor of the Exchequer for ten years and was widely expected to take over the leadership of the Labour Party.

Brown played a leading role in coordinating the international response to the global financial crisis. He hosted the G20 summit in London in 2009, securing commitments for fiscal stimulus and financial regulation reforms.

Brown's government nationalized the failing bank Northern Rock after a bank run. The decision was controversial but aimed at stabilizing the financial system. It was the first nationalization of a UK bank in decades.

Brown led the Labour Party to defeat in the 2010 general election, resulting in a hung parliament. He resigned as prime minister after failing to form a coalition government with the Liberal Democrats, ending 13 years of Labour government.