Ben S. Bernanke

From 2002 until 2005, he was a member of the Board of Governors of the Federal Reserve System, proposed the Bernanke Doctrine, and first discussed "the Great Moderation" — the theory that traditional business cycles have declined in volatility in recent decades through structural changes that have occurred in the international economy, particularly increases in the economic stability of developing nations, diminishing the influence of macroeconomic policy. His first term began February 1, 2006. His second term ended February 1, 2014 when he was succeeded by Janet Yellen.