前特勤的头

List of chiefs and directors

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No.	Picture	Name	Took office	Left office	Time in office	President appointed by
1		William P. Wood (1820–1903)	July 5, 1865	1869	3–4 years	Andrew Johnson
2		Hiram C. Whitley (1834–1919)	1869	1874	4–5 years	Ulysses S. Grant
3		Elmer Washburn (1839–1897)	1874	1876	1–2 years	Ulysses S. Grant
4		James Brooks (1824–1895)	1876	1888	11–12 years	Rutherford B. Hayes
5		John S. Bell (1844–1917)	1888	1890	1–2 years	Grover Cleveland
6		Andrew L. Drummond (1845–1921)	1891	1894	2–3 years	Benjamin Harrison
7		William P. Hazen (1840–1923)	1894	1898	3–4 years	Grover Cleveland
8		John Wilkie (1860–1934)	1898	1911	12–13 years	William McKinley
9		William J. Flynn (1867–1928)	1912	1917	4–5 years	William Howard Taft
10		William H. Moran (1862–1946)	1917	1936	18–19 years	Woodrow Wilson
11		Frank J. Wilson (1887–1970)	1937	1946	8–9 years	Franklin D. Roosevelt
12		James J. Maloney (1896–1959)	1946	1948	1–2 years	Harry Truman
13		U. E. Baughman (1905–1978)	November 29, 1948	August 31, 1961	12 years	Harry Truman
14		James Joseph Rowley (1908–1992)	September 1, 1961	October 1973	12 years	John F. Kennedy
15		H. Stuart Knight (1921–2009)	1973	11 May 1981	7–8 years	Richard Nixon
16		John R. Simpson (1932–2017)	1981	1992	10–11 years	Ronald Reagan
17		John Magaw (born 1935)	1992	1993	0–1 year(s)	George H. W. Bush
18		Eljay B. Bowron (born c. 1951)	1993	1997	3–4 years	Bill Clinton
19		Lewis C. Merletti (born c. 1948)	June 6, 1997	March 3, 1999	2 years	Bill Clinton
20		Brian L. Stafford (born c. 1959)	March 4, 1999	January 24, 2003	3 years	Bill Clinton
21		W. Ralph Basham (born 1943)	January 27, 2003	May 30, 2006	3 years	George W. Bush
22		Mark J. Sullivan (born c.1955)	May 31, 2006	March 27, 2013	6 years	George W. Bush
23		Julia Pierson (born 1959)	March 27, 2013	October 1, 2014	1 year	Barack Obama
24		Joseph Clancy (born 1955)	October 1, 2014	March 4, 2017	2 years	Barack Obama
–		William J. Callahan Acting	March 4, 2017	April 25, 2017	52 days	Donald Trump
25		Randolph Alles (born 1954)	April 25, 2017	May 1, 2019	2 years	Donald Trump
26		James M. Murray (born c. 1968)	May 1, 2019	September 17, 2022	3 years	Donald Trump
27		Kimberly Cheatle (born 1972)	September 17, 2022	July 23, 2024	1 year	Joe Biden