Soros is famously known for "breaking the Bank of England" on Black Wednesday in 1992. With an estimated current net worth of around $9 billion, he is ranked by Forbes as the 99th-richest person in the world.
Former Federal Reserve
Chairman Paul Volcker wrote in 2003 in the foreword of Soros' book The Alchemy of Finance:
George Soros has made his mark as an enormously successful speculator, wise enough to largely withdraw when still way ahead of the game. The bulk of his enormous winnings is now devoted to encouraging transitional and emerging nations to become 'open societies,' open not only in the sense of freedom of commerce but—more important—tolerant of new ideas and different modes of thinking and behavior.