"The International Monetary Fund (IMF) and World Bank are run by their member governments, but not on the basis of one-country-one-vote. Instead, governments have votes based on the amount of money they pay in to the organizations. In this sense, they operate much like private corporations, except that the owners of shares are governments instead of individuals.
The U.S. government has by far the largest share of votes in both the IMF and World Bank and, along with its closest allies, effectively controls their operations. In 1998, the U.S. held 18% of the votes in the IMF and 15% in the World Bank. Together, the United States, Germany, Japan, the U.K. and France control about 40% of the shares in both institutions. With the rest of the shares spread among 175 other member governments, some holding a tiny number of votes, the United States is effectively in charge.
So the people running the IMF and the World Bank are the same folks who run the U.S. government and the governments of its closest allies. Since the institutions were founded at the end of World War II, the president of the World Bank has always been a U.S. citizen, and the head of the IMF has always been a European. These are all men, generally coming from the top of the financial industry.
While the IMF and the Bank operate as extensions of the U.S. government's foreign policy, they are well insulated from democratic accountability. Congress, to say nothing of the populace in general, has no role overseeing their operations, and they operate largely outside the public eye (though Congressional ire sometimes appears in response to a request for more funds).
What the IMF and the World Bank do is lend money to governments. Because many governments, especially governments of poor countries, are often in dire need of loans and cannot readily obtain funds through financial markets, they turn to these institutions.
The IMF and the Bank make sure that U.S. allies get the financial support they need to stay in power, abuses of human rights, labor, and the environment notwithstanding; that big banks get paid back, no matter how irresponsible their loans may have been; and that other governments continually reduce barriers to the operations of U.S. business in their countries, whether or not this conflicts with the economic needs of their own people."
The terms and conditions that go along with these loans are designed to benefit the IMF members at the long term expense of the developing nations. It's a form of exploitation that does not involve the use of deadly force or threat thereof.