<Table> <Tr> <Th> Order </Th> <Th> Name </Th> <Th> Assumed office </Th> <Th> Left office </Th> <Th> President appointed by </Th> </Tr> <Tr> <Td> </Td> <Td> William P. Wood </Td> <Td> July 5 , 1865 </Td> <Td> 1869 </Td> <Td> Andrew Johnson </Td> </Tr> <Tr> <Td> </Td> <Td> Hiram C. Whitley </Td> <Td> 1869 </Td> <Td> 1874 </Td> <Td> Ulysses S. Grant </Td> </Tr> <Tr> <Td> </Td> <Td> Elmer Washburn </Td> <Td> 1874 </Td> <Td> 1876 </Td> </Tr> <Tr> <Td> </Td> <Td> James Brooks </Td> <Td> 1876 </Td> <Td> 1888 </Td> <Td> Rutherford B. Hayes </Td> </Tr> <Tr> <Td> 5 </Td> <Td> John S. Bell </Td> <Td> 1888 </Td> <Td> 1890 </Td> <Td> Grover Cleveland </Td> </Tr> <Tr> <Td> 6 </Td> <Td> Andrew L. Drummond </Td> <Td> 1891 </Td> <Td> 1894 </Td> <Td> Benjamin Harrison </Td> </Tr> <Tr> <Td> 7 </Td> <Td> William P. Hazen </Td> <Td> 1894 </Td> <Td> 1898 </Td> <Td> Grover Cleveland </Td> </Tr> <Tr> <Td> 8 </Td> <Td> John E. Wilkie </Td> <Td> 1898 </Td> <Td> 1911 </Td> <Td> William McKinley </Td> </Tr> <Tr> <Td> 9 </Td> <Td> William J. Flynn </Td> <Td> 1912 </Td> <Td> 1917 </Td> <Td> William Howard Taft </Td> </Tr> <Tr> <Td> 10 </Td> <Td> William H. Moran </Td> <Td> 1917 </Td> <Td> 1936 </Td> <Td> Woodrow Wilson </Td> </Tr> <Tr> <Td> 11 </Td> <Td> Frank J. Wilson </Td> <Td> 1937 </Td> <Td> 1946 </Td> <Td> Franklin D. Roosevelt </Td> </Tr> <Tr> <Td> 12 </Td> <Td> James J. Maloney </Td> <Td> 1946 </Td> <Td> 1948 </Td> <Td> Harry Truman </Td> </Tr> <Tr> <Td> 13 </Td> <Td> U.E. Baughman </Td> <Td> 1948 </Td> <Td> 1961 </Td> </Tr> <Tr> <Td> 14 </Td> <Td> James Joseph Rowley </Td> <Td> September 1961 </Td> <Td> October 1973 </Td> <Td> John F. Kennedy </Td> </Tr> <Tr> <Td> 15 </Td> <Td> H. Stuart Knight </Td> <Td> 1973 </Td> <Td> 1981 </Td> <Td> Richard Nixon </Td> </Tr> <Tr> <Td> 16 </Td> <Td> John R. Simpson </Td> <Td> 1981 </Td> <Td> 1992 </Td> <Td> Ronald Reagan </Td> </Tr> <Tr> <Td> 17 </Td> <Td> John Magaw </Td> <Td> 1992 </Td> <Td> 1993 </Td> <Td> George H.W. Bush </Td> </Tr> <Tr> <Td> 18 </Td> <Td> Eljay B. Bowron </Td> <Td> 1993 </Td> <Td> </Td> <Td> Bill Clinton </Td> </Tr> <Tr> <Td> 19 </Td> <Td> Lewis C. Merletti </Td> <Td> June 6 , 1997 </Td> <Td> 1999 </Td> </Tr> <Tr> <Td> 20 </Td> <Td> Brian L. Stafford </Td> <Td> March 4 , 1999 </Td> <Td> January 24 , 2003 </Td> </Tr> <Tr> <Td> 21 </Td> <Td> W. Ralph Basham </Td> <Td> January 27 , 2003 </Td> <Td> May 30 , 2006 </Td> <Td> George W. Bush </Td> </Tr> <Tr> <Td> 22 </Td> <Td> Mark J. Sullivan </Td> <Td> May 31 , 2006 </Td> <Td> March 27 , 2013 </Td> </Tr> <Tr> <Td> 23 </Td> <Td> Julia Pierson </Td> <Td> March 27 , 2013 </Td> <Td> October 1 , 2014 </Td> <Td> Barack Obama </Td> </Tr> <Tr> <Td> 24 </Td> <Td> Joseph Clancy </Td> <Td> October 1 , 2014 </Td> <Td> March 4 , 2017 </Td> </Tr> <Tr> <Td> Acting </Td> <Td> William J. Callahan </Td> <Td> March 4 , 2017 </Td> <Td> April 25 , 2017 </Td> <Td> Donald Trump </Td> </Tr> <Tr> <Td> 25 </Td> <Td> Randolph Alles </Td> <Td> April 25 , 2017 </Td> <Td> Incumbent </Td> </Tr> </Table>
<Table> <Tr> <Th> Order </Th> <Th> Name </Th> <Th> Assumed office </Th> <Th> Left office </Th> <Th> President appointed by </Th> </Tr> <Tr> <Td> </Td> <Td> William P. Wood </Td> <Td> July 5 , 1865 </Td> <Td> 1869 </Td> <Td> Andrew Johnson </Td> </Tr> <Tr> <Td> </Td> <Td> Hiram C. Whitley </Td> <Td> 1869 </Td> <Td> 1874 </Td> <Td> Ulysses S. Grant </Td> </Tr> <Tr> <Td> </Td> <Td> Elmer Washburn </Td> <Td> 1874 </Td> <Td> 1876 </Td> </Tr> <Tr> <Td> </Td> <Td> James Brooks </Td> <Td> 1876 </Td> <Td> 1888 </Td> <Td> Rutherford B. Hayes </Td> </Tr> <Tr> <Td> 5 </Td> <Td> John S. Bell </Td> <Td> 1888 </Td> <Td> 1890 </Td> <Td> Grover Cleveland </Td> </Tr> <Tr> <Td> 6 </Td> <Td> Andrew L. Drummond </Td> <Td> 1891 </Td> <Td> 1894 </Td> <Td> Benjamin Harrison </Td> </Tr> <Tr> <Td> 7 </Td> <Td> William P. Hazen </Td> <Td> 1894 </Td> <Td> 1898 </Td> <Td> Grover Cleveland </Td> </Tr> <Tr> <Td> 8 </Td> <Td> John E. Wilkie </Td> <Td> 1898 </Td> <Td> 1911 </Td> <Td> William McKinley </Td> </Tr> <Tr> <Td> 9 </Td> <Td> William J. Flynn </Td> <Td> 1912 </Td> <Td> 1917 </Td> <Td> William Howard Taft </Td> </Tr> <Tr> <Td> 10 </Td> <Td> William H. Moran </Td> <Td> 1917 </Td> <Td> 1936 </Td> <Td> Woodrow Wilson </Td> </Tr> <Tr> <Td> 11 </Td> <Td> Frank J. Wilson </Td> <Td> 1937 </Td> <Td> 1946 </Td> <Td> Franklin D. Roosevelt </Td> </Tr> <Tr> <Td> 12 </Td> <Td> James J. Maloney </Td> <Td> 1946 </Td> <Td> 1948 </Td> <Td> Harry Truman </Td> </Tr> <Tr> <Td> 13 </Td> <Td> U.E. Baughman </Td> <Td> 1948 </Td> <Td> 1961 </Td> </Tr> <Tr> <Td> 14 </Td> <Td> James Joseph Rowley </Td> <Td> September 1961 </Td> <Td> October 1973 </Td> <Td> John F. Kennedy </Td> </Tr> <Tr> <Td> 15 </Td> <Td> H. Stuart Knight </Td> <Td> 1973 </Td> <Td> 1981 </Td> <Td> Richard Nixon </Td> </Tr> <Tr> <Td> 16 </Td> <Td> John R. Simpson </Td> <Td> 1981 </Td> <Td> 1992 </Td> <Td> Ronald Reagan </Td> </Tr> <Tr> <Td> 17 </Td> <Td> John Magaw </Td> <Td> 1992 </Td> <Td> 1993 </Td> <Td> George H.W. Bush </Td> </Tr> <Tr> <Td> 18 </Td> <Td> Eljay B. Bowron </Td> <Td> 1993 </Td> <Td> </Td> <Td> Bill Clinton </Td> </Tr> <Tr> <Td> 19 </Td> <Td> Lewis C. Merletti </Td> <Td> June 6 , 1997 </Td> <Td> 1999 </Td> </Tr> <Tr> <Td> 20 </Td> <Td> Brian L. Stafford </Td> <Td> March 4 , 1999 </Td> <Td> January 24 , 2003 </Td> </Tr> <Tr> <Td> 21 </Td> <Td> W. Ralph Basham </Td> <Td> January 27 , 2003 </Td> <Td> May 30 , 2006 </Td> <Td> George W. Bush </Td> </Tr> <Tr> <Td> 22 </Td> <Td> Mark J. Sullivan </Td> <Td> May 31 , 2006 </Td> <Td> March 27 , 2013 </Td> </Tr> <Tr> <Td> 23 </Td> <Td> Julia Pierson </Td> <Td> March 27 , 2013 </Td> <Td> October 1 , 2014 </Td> <Td> Barack Obama </Td> </Tr> <Tr> <Td> 24 </Td> <Td> Joseph Clancy </Td> <Td> October 1 , 2014 </Td> <Td> March 4 , 2017 </Td> </Tr> <Tr> <Td> Acting </Td> <Td> William J. Callahan </Td> <Td> March 4 , 2017 </Td> <Td> April 25 , 2017 </Td> <Td> Donald Trump </Td> </Tr> <Tr> <Td> 25 </Td> <Td> Randolph Alles </Td> <Td> April 25 , 2017 </Td> <Td> Incumbent </Td> </Tr> </Table>
who is the head of the secret service
who is the head of the secret service
Randolph Alles
Randolph Alles