<P> No member of the Board of Governors of the Federal Reserve System shall be an officer or director of any bank, banking institution, trust company, or Federal Reserve bank or hold stock in any bank, banking institution, or trust company; and before entering upon his duties as a member of the Board of Governors of the Federal Reserve System he shall certify under oath that he has complied with this requirement, and such certification shall be filed with the secretary of the Board . </P> <P> The following is a list of past and present Chairs of the Board of Governors of the Federal Reserve System . A chair serves for a four - year term after appointment, but may be reappointed for several consecutive four - year terms . As of 2014, there have been a total of fifteen Fed Chairs . </P> <Table> <Tr> <Th> No </Th> <Th> Name (chair) (birth--death) </Th> <Th> Photo </Th> <Th_colspan="2"> Term of office </Th> <Th> Appointed by (term) </Th> </Tr> <Tr> <Th> Start of term </Th> <Th> End of term </Th> </Tr> <Tr> <Td> </Td> <Td> Charles Sumner Hamlin (1861--1938) </Td> <Td> </Td> <Td> August 10, 1914 </Td> <Td> August 10, 1916 </Td> <Th> Woodrow Wilson (1913--1921) </Th> </Tr> <Tr> <Td> </Td> <Td> William P.G. Harding (1864--1930) </Td> <Td> </Td> <Td> August 10, 1916 </Td> <Td> August 9, 1922 </Td> </Tr> <Tr> <Td> </Td> <Td> Daniel R. Crissinger (1860--1942) </Td> <Td> </Td> <Td> May 1, 1923 </Td> <Td> September 15, 1927 </Td> <Th> Warren G. Harding (1921--1923) </Th> </Tr> <Tr> <Td> </Td> <Td> Roy A. Young (1882--1960) </Td> <Td> </Td> <Td> October 4, 1927 </Td> <Td> August 31, 1930 </Td> <Th> Calvin Coolidge (1923--1929) </Th> </Tr> <Tr> <Td> 5 </Td> <Td> Eugene Meyer (1875--1959) </Td> <Td> </Td> <Td> September 16, 1930 </Td> <Td> May 10, 1933 </Td> <Th> Herbert Hoover (1929--1933) </Th> </Tr> <Tr> <Td> 6 </Td> <Td> Eugene Robert Black (1873--1934) </Td> <Td> </Td> <Td> May 19, 1933 </Td> <Td> August 15, 1934 </Td> <Th> Franklin D. Roosevelt (1933--1945) </Th> </Tr> <Tr> <Td> 7 </Td> <Td> Marriner S. Eccles (1890--1977) </Td> <Td> </Td> <Td> November 15, 1934 </Td> <Td> February 3, 1948 </Td> </Tr> <Tr> <Td> 8 </Td> <Td> Thomas B. McCabe (1893--1982) </Td> <Td> </Td> <Td> April 15, 1948 </Td> <Td> April 2, 1951 </Td> <Th> Harry S. Truman (1945--1953) </Th> </Tr> <Tr> <Td> 9 </Td> <Td> William M. Martin (1906--1998) </Td> <Td> </Td> <Td> April 2, 1951 </Td> <Td> February 1, 1970 </Td> </Tr> <Tr> <Td> 10 </Td> <Td> Arthur F. Burns (1904--1987) </Td> <Td> </Td> <Td> February 1, 1970 </Td> <Td> January 31, 1978 </Td> <Th> Richard Nixon (1969--1974) </Th> </Tr> <Tr> <Td> 11 </Td> <Td> G. William Miller (1925--2006) </Td> <Td> </Td> <Td> March 8, 1978 </Td> <Td> August 6, 1979 </Td> <Th> Jimmy Carter (1977--1981) </Th> </Tr> <Tr> <Td> 12 </Td> <Td> Paul Volcker (1927--) </Td> <Td> </Td> <Td> August 6, 1979 </Td> <Td> August 11, 1987 </Td> </Tr> <Tr> <Td> 13 </Td> <Td> Alan Greenspan (1926--) </Td> <Td> </Td> <Td> August 11, 1987 </Td> <Td> January 31, 2006 </Td> <Th> Ronald Reagan (1981--1989) </Th> </Tr> <Tr> <Td> 14 </Td> <Td> Ben Bernanke (1953--) </Td> <Td> </Td> <Td> February 1, 2006 </Td> <Td> January 31, 2014 </Td> <Th> George W. Bush (2001--2009) </Th> </Tr> <Tr> <Td> 15 </Td> <Td> Janet Yellen (1946--) </Td> <Td> </Td> <Td> February 1, 2014 </Td> <Td> Incumbent </Td> <Th> Barack Obama (2009--2017) </Th> </Tr> <Tr> <Td> 16 </Td> <Td> Jerome Powell <P> (1953--) </P> </Td> <Td> </Td> <Td> TBD </Td> <Td> TBD </Td> <Td> Donald Trump <P> </P> <P> (2017--) </P> </Td> </Tr> </Table> <Tr> <Th> No </Th> <Th> Name (chair) (birth--death) </Th> <Th> Photo </Th> <Th_colspan="2"> Term of office </Th> <Th> Appointed by (term) </Th> </Tr>

Who is the current chair of the u.s. central bank and on what date did this person take office